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Test that 0/unknown-length arrays are nonempty
This commit is contained in:
Nadrieril
parent
c256de2253
commit
8615a6b006
@ -1,5 +1,5 @@
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error[E0004]: non-exhaustive patterns: type `u8` is non-empty
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--> $DIR/empty-match.rs:46:20
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--> $DIR/empty-match.rs:47:20
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LL | match_no_arms!(0u8);
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| ^^^
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@ -8,7 +8,7 @@ LL | match_no_arms!(0u8);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `i8` is non-empty
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--> $DIR/empty-match.rs:47:20
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--> $DIR/empty-match.rs:48:20
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LL | match_no_arms!(0i8);
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| ^^^
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@ -17,7 +17,7 @@ LL | match_no_arms!(0i8);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `usize` is non-empty
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--> $DIR/empty-match.rs:48:20
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--> $DIR/empty-match.rs:49:20
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LL | match_no_arms!(0usize);
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| ^^^^^^
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@ -26,7 +26,7 @@ LL | match_no_arms!(0usize);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `isize` is non-empty
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--> $DIR/empty-match.rs:49:20
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--> $DIR/empty-match.rs:50:20
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LL | match_no_arms!(0isize);
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| ^^^^^^
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@ -35,7 +35,7 @@ LL | match_no_arms!(0isize);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyStruct1` is non-empty
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--> $DIR/empty-match.rs:50:20
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--> $DIR/empty-match.rs:51:20
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LL | match_no_arms!(NonEmptyStruct1);
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| ^^^^^^^^^^^^^^^
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@ -49,7 +49,7 @@ LL | struct NonEmptyStruct1;
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyStruct2` is non-empty
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--> $DIR/empty-match.rs:51:20
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--> $DIR/empty-match.rs:52:20
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LL | match_no_arms!(NonEmptyStruct2(true));
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| ^^^^^^^^^^^^^^^^^^^^^
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@ -63,7 +63,7 @@ LL | struct NonEmptyStruct2(bool);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyUnion1` is non-empty
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--> $DIR/empty-match.rs:52:20
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--> $DIR/empty-match.rs:53:20
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LL | match_no_arms!((NonEmptyUnion1 { foo: () }));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -77,7 +77,7 @@ LL | union NonEmptyUnion1 {
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyUnion2` is non-empty
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--> $DIR/empty-match.rs:53:20
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--> $DIR/empty-match.rs:54:20
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LL | match_no_arms!((NonEmptyUnion2 { foo: () }));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -91,7 +91,7 @@ LL | union NonEmptyUnion2 {
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum1::Foo(_)` not covered
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--> $DIR/empty-match.rs:54:20
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--> $DIR/empty-match.rs:55:20
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LL | match_no_arms!(NonEmptyEnum1::Foo(true));
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| ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyEnum1::Foo(_)` not covered
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@ -107,7 +107,7 @@ LL | Foo(bool),
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
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--> $DIR/empty-match.rs:55:20
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--> $DIR/empty-match.rs:56:20
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LL | match_no_arms!(NonEmptyEnum2::Foo(true));
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| ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
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@ -125,7 +125,7 @@ LL | Bar,
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or multiple match arms
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
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--> $DIR/empty-match.rs:56:20
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--> $DIR/empty-match.rs:57:20
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LL | match_no_arms!(NonEmptyEnum5::V1);
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| ^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
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@ -148,8 +148,26 @@ LL | V5,
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= note: the matched value is of type `NonEmptyEnum5`
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or multiple match arms
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error[E0004]: non-exhaustive patterns: type `[!; 0]` is non-empty
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--> $DIR/empty-match.rs:58:20
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LL | match_no_arms!(array0_of_empty);
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| ^^^^^^^^^^^^^^^
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= note: the matched value is of type `[!; 0]`
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `[!; N]` is non-empty
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--> $DIR/empty-match.rs:59:20
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LL | match_no_arms!(arrayN_of_empty);
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| ^^^^^^^^^^^^^^^
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= note: the matched value is of type `[!; N]`
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: `0_u8..=u8::MAX` not covered
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--> $DIR/empty-match.rs:58:24
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--> $DIR/empty-match.rs:61:24
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LL | match_guarded_arm!(0u8);
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| ^^^ pattern `0_u8..=u8::MAX` not covered
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@ -163,7 +181,7 @@ LL + 0_u8..=u8::MAX => todo!()
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error[E0004]: non-exhaustive patterns: `i8::MIN..=i8::MAX` not covered
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--> $DIR/empty-match.rs:59:24
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--> $DIR/empty-match.rs:62:24
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LL | match_guarded_arm!(0i8);
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| ^^^ pattern `i8::MIN..=i8::MAX` not covered
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@ -177,7 +195,7 @@ LL + i8::MIN..=i8::MAX => todo!()
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error[E0004]: non-exhaustive patterns: `0_usize..` not covered
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--> $DIR/empty-match.rs:60:24
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--> $DIR/empty-match.rs:63:24
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LL | match_guarded_arm!(0usize);
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| ^^^^^^ pattern `0_usize..` not covered
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@ -191,7 +209,7 @@ LL + 0_usize.. => todo!()
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error[E0004]: non-exhaustive patterns: `_` not covered
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--> $DIR/empty-match.rs:61:24
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--> $DIR/empty-match.rs:64:24
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LL | match_guarded_arm!(0isize);
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| ^^^^^^ pattern `_` not covered
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@ -205,7 +223,7 @@ LL + _ => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyStruct1` not covered
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--> $DIR/empty-match.rs:62:24
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--> $DIR/empty-match.rs:65:24
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LL | match_guarded_arm!(NonEmptyStruct1);
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| ^^^^^^^^^^^^^^^ pattern `NonEmptyStruct1` not covered
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@ -224,7 +242,7 @@ LL + NonEmptyStruct1 => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyStruct2(_)` not covered
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--> $DIR/empty-match.rs:63:24
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--> $DIR/empty-match.rs:66:24
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LL | match_guarded_arm!(NonEmptyStruct2(true));
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| ^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyStruct2(_)` not covered
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@ -243,7 +261,7 @@ LL + NonEmptyStruct2(_) => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyUnion1 { .. }` not covered
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--> $DIR/empty-match.rs:64:24
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--> $DIR/empty-match.rs:67:24
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LL | match_guarded_arm!((NonEmptyUnion1 { foo: () }));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion1 { .. }` not covered
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@ -262,7 +280,7 @@ LL + NonEmptyUnion1 { .. } => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyUnion2 { .. }` not covered
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--> $DIR/empty-match.rs:65:24
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--> $DIR/empty-match.rs:68:24
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LL | match_guarded_arm!((NonEmptyUnion2 { foo: () }));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion2 { .. }` not covered
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@ -282,7 +300,7 @@ LL + NonEmptyUnion2 { .. } => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum1::Foo(_)` not covered
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--> $DIR/empty-match.rs:66:24
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--> $DIR/empty-match.rs:69:24
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LL | match_guarded_arm!(NonEmptyEnum1::Foo(true));
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| ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyEnum1::Foo(_)` not covered
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@ -303,7 +321,7 @@ LL + NonEmptyEnum1::Foo(_) => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
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--> $DIR/empty-match.rs:67:24
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--> $DIR/empty-match.rs:70:24
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LL | match_guarded_arm!(NonEmptyEnum2::Foo(true));
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| ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
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@ -326,7 +344,7 @@ LL + NonEmptyEnum2::Foo(_) | NonEmptyEnum2::Bar => todo!()
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
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--> $DIR/empty-match.rs:68:24
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--> $DIR/empty-match.rs:71:24
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LL | match_guarded_arm!(NonEmptyEnum5::V1);
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| ^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
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@ -354,6 +372,34 @@ LL ~ _ if false => {},
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LL + _ => todo!()
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error: aborting due to 22 previous errors
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error[E0004]: non-exhaustive patterns: `[]` not covered
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--> $DIR/empty-match.rs:72:24
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LL | match_guarded_arm!(array0_of_empty);
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| ^^^^^^^^^^^^^^^ pattern `[]` not covered
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= note: the matched value is of type `[!; 0]`
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= note: match arms with guards don't count towards exhaustivity
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help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
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LL ~ _ if false => {},
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LL + [] => todo!()
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error[E0004]: non-exhaustive patterns: `[]` not covered
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--> $DIR/empty-match.rs:73:24
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LL | match_guarded_arm!(arrayN_of_empty);
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| ^^^^^^^^^^^^^^^ pattern `[]` not covered
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= note: the matched value is of type `[!; N]`
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= note: match arms with guards don't count towards exhaustivity
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help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
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LL ~ _ if false => {},
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LL + [] => todo!()
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error: aborting due to 26 previous errors
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For more information about this error, try `rustc --explain E0004`.
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@ -1,5 +1,5 @@
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error[E0004]: non-exhaustive patterns: type `u8` is non-empty
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--> $DIR/empty-match.rs:46:20
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--> $DIR/empty-match.rs:47:20
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LL | match_no_arms!(0u8);
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| ^^^
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@ -8,7 +8,7 @@ LL | match_no_arms!(0u8);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `i8` is non-empty
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--> $DIR/empty-match.rs:47:20
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--> $DIR/empty-match.rs:48:20
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LL | match_no_arms!(0i8);
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| ^^^
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@ -17,7 +17,7 @@ LL | match_no_arms!(0i8);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `usize` is non-empty
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--> $DIR/empty-match.rs:48:20
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--> $DIR/empty-match.rs:49:20
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LL | match_no_arms!(0usize);
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| ^^^^^^
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@ -26,7 +26,7 @@ LL | match_no_arms!(0usize);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `isize` is non-empty
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--> $DIR/empty-match.rs:49:20
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--> $DIR/empty-match.rs:50:20
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LL | match_no_arms!(0isize);
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| ^^^^^^
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@ -35,7 +35,7 @@ LL | match_no_arms!(0isize);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyStruct1` is non-empty
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--> $DIR/empty-match.rs:50:20
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--> $DIR/empty-match.rs:51:20
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LL | match_no_arms!(NonEmptyStruct1);
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| ^^^^^^^^^^^^^^^
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@ -49,7 +49,7 @@ LL | struct NonEmptyStruct1;
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyStruct2` is non-empty
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--> $DIR/empty-match.rs:51:20
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--> $DIR/empty-match.rs:52:20
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LL | match_no_arms!(NonEmptyStruct2(true));
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| ^^^^^^^^^^^^^^^^^^^^^
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@ -63,7 +63,7 @@ LL | struct NonEmptyStruct2(bool);
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyUnion1` is non-empty
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--> $DIR/empty-match.rs:52:20
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--> $DIR/empty-match.rs:53:20
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LL | match_no_arms!((NonEmptyUnion1 { foo: () }));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -77,7 +77,7 @@ LL | union NonEmptyUnion1 {
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `NonEmptyUnion2` is non-empty
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--> $DIR/empty-match.rs:53:20
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--> $DIR/empty-match.rs:54:20
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LL | match_no_arms!((NonEmptyUnion2 { foo: () }));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -91,7 +91,7 @@ LL | union NonEmptyUnion2 {
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum1::Foo(_)` not covered
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--> $DIR/empty-match.rs:54:20
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--> $DIR/empty-match.rs:55:20
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LL | match_no_arms!(NonEmptyEnum1::Foo(true));
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| ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyEnum1::Foo(_)` not covered
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@ -107,7 +107,7 @@ LL | Foo(bool),
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
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--> $DIR/empty-match.rs:55:20
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--> $DIR/empty-match.rs:56:20
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LL | match_no_arms!(NonEmptyEnum2::Foo(true));
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| ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
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@ -125,7 +125,7 @@ LL | Bar,
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or multiple match arms
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error[E0004]: non-exhaustive patterns: `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
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--> $DIR/empty-match.rs:56:20
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--> $DIR/empty-match.rs:57:20
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LL | match_no_arms!(NonEmptyEnum5::V1);
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| ^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
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@ -148,8 +148,26 @@ LL | V5,
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= note: the matched value is of type `NonEmptyEnum5`
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or multiple match arms
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error[E0004]: non-exhaustive patterns: type `[!; 0]` is non-empty
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--> $DIR/empty-match.rs:58:20
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LL | match_no_arms!(array0_of_empty);
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| ^^^^^^^^^^^^^^^
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= note: the matched value is of type `[!; 0]`
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: type `[!; N]` is non-empty
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--> $DIR/empty-match.rs:59:20
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LL | match_no_arms!(arrayN_of_empty);
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| ^^^^^^^^^^^^^^^
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= note: the matched value is of type `[!; N]`
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= help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern
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error[E0004]: non-exhaustive patterns: `0_u8..=u8::MAX` not covered
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--> $DIR/empty-match.rs:58:24
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--> $DIR/empty-match.rs:61:24
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LL | match_guarded_arm!(0u8);
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| ^^^ pattern `0_u8..=u8::MAX` not covered
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@ -163,7 +181,7 @@ LL + 0_u8..=u8::MAX => todo!()
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error[E0004]: non-exhaustive patterns: `i8::MIN..=i8::MAX` not covered
|
||||
--> $DIR/empty-match.rs:59:24
|
||||
--> $DIR/empty-match.rs:62:24
|
||||
|
|
||||
LL | match_guarded_arm!(0i8);
|
||||
| ^^^ pattern `i8::MIN..=i8::MAX` not covered
|
||||
@ -177,7 +195,7 @@ LL + i8::MIN..=i8::MAX => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `0_usize..` not covered
|
||||
--> $DIR/empty-match.rs:60:24
|
||||
--> $DIR/empty-match.rs:63:24
|
||||
|
|
||||
LL | match_guarded_arm!(0usize);
|
||||
| ^^^^^^ pattern `0_usize..` not covered
|
||||
@ -191,7 +209,7 @@ LL + 0_usize.. => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `_` not covered
|
||||
--> $DIR/empty-match.rs:61:24
|
||||
--> $DIR/empty-match.rs:64:24
|
||||
|
|
||||
LL | match_guarded_arm!(0isize);
|
||||
| ^^^^^^ pattern `_` not covered
|
||||
@ -205,7 +223,7 @@ LL + _ => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyStruct1` not covered
|
||||
--> $DIR/empty-match.rs:62:24
|
||||
--> $DIR/empty-match.rs:65:24
|
||||
|
|
||||
LL | match_guarded_arm!(NonEmptyStruct1);
|
||||
| ^^^^^^^^^^^^^^^ pattern `NonEmptyStruct1` not covered
|
||||
@ -224,7 +242,7 @@ LL + NonEmptyStruct1 => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyStruct2(_)` not covered
|
||||
--> $DIR/empty-match.rs:63:24
|
||||
--> $DIR/empty-match.rs:66:24
|
||||
|
|
||||
LL | match_guarded_arm!(NonEmptyStruct2(true));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyStruct2(_)` not covered
|
||||
@ -243,7 +261,7 @@ LL + NonEmptyStruct2(_) => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyUnion1 { .. }` not covered
|
||||
--> $DIR/empty-match.rs:64:24
|
||||
--> $DIR/empty-match.rs:67:24
|
||||
|
|
||||
LL | match_guarded_arm!((NonEmptyUnion1 { foo: () }));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion1 { .. }` not covered
|
||||
@ -262,7 +280,7 @@ LL + NonEmptyUnion1 { .. } => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyUnion2 { .. }` not covered
|
||||
--> $DIR/empty-match.rs:65:24
|
||||
--> $DIR/empty-match.rs:68:24
|
||||
|
|
||||
LL | match_guarded_arm!((NonEmptyUnion2 { foo: () }));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion2 { .. }` not covered
|
||||
@ -282,7 +300,7 @@ LL + NonEmptyUnion2 { .. } => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyEnum1::Foo(_)` not covered
|
||||
--> $DIR/empty-match.rs:66:24
|
||||
--> $DIR/empty-match.rs:69:24
|
||||
|
|
||||
LL | match_guarded_arm!(NonEmptyEnum1::Foo(true));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyEnum1::Foo(_)` not covered
|
||||
@ -303,7 +321,7 @@ LL + NonEmptyEnum1::Foo(_) => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
|
||||
--> $DIR/empty-match.rs:67:24
|
||||
--> $DIR/empty-match.rs:70:24
|
||||
|
|
||||
LL | match_guarded_arm!(NonEmptyEnum2::Foo(true));
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
|
||||
@ -326,7 +344,7 @@ LL + NonEmptyEnum2::Foo(_) | NonEmptyEnum2::Bar => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
|
||||
--> $DIR/empty-match.rs:68:24
|
||||
--> $DIR/empty-match.rs:71:24
|
||||
|
|
||||
LL | match_guarded_arm!(NonEmptyEnum5::V1);
|
||||
| ^^^^^^^^^^^^^^^^^ patterns `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
|
||||
@ -354,6 +372,34 @@ LL ~ _ if false => {},
|
||||
LL + _ => todo!()
|
||||
|
|
||||
|
||||
error: aborting due to 22 previous errors
|
||||
error[E0004]: non-exhaustive patterns: `[]` not covered
|
||||
--> $DIR/empty-match.rs:72:24
|
||||
|
|
||||
LL | match_guarded_arm!(array0_of_empty);
|
||||
| ^^^^^^^^^^^^^^^ pattern `[]` not covered
|
||||
|
|
||||
= note: the matched value is of type `[!; 0]`
|
||||
= note: match arms with guards don't count towards exhaustivity
|
||||
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
|
||||
|
|
||||
LL ~ _ if false => {},
|
||||
LL + [] => todo!()
|
||||
|
|
||||
|
||||
error[E0004]: non-exhaustive patterns: `[]` not covered
|
||||
--> $DIR/empty-match.rs:73:24
|
||||
|
|
||||
LL | match_guarded_arm!(arrayN_of_empty);
|
||||
| ^^^^^^^^^^^^^^^ pattern `[]` not covered
|
||||
|
|
||||
= note: the matched value is of type `[!; N]`
|
||||
= note: match arms with guards don't count towards exhaustivity
|
||||
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
|
||||
|
|
||||
LL ~ _ if false => {},
|
||||
LL + [] => todo!()
|
||||
|
|
||||
|
||||
error: aborting due to 26 previous errors
|
||||
|
||||
For more information about this error, try `rustc --explain E0004`.
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
#![cfg_attr(exhaustive_patterns, feature(exhaustive_patterns))]
|
||||
#![deny(unreachable_patterns)]
|
||||
|
||||
fn nonempty() {
|
||||
fn nonempty<const N: usize>(arrayN_of_empty: [!; N]) {
|
||||
macro_rules! match_no_arms {
|
||||
($e:expr) => {
|
||||
match $e {}
|
||||
@ -42,6 +42,7 @@ fn nonempty() {
|
||||
V4,
|
||||
V5,
|
||||
}
|
||||
let array0_of_empty: [!; 0] = [];
|
||||
|
||||
match_no_arms!(0u8); //~ ERROR type `u8` is non-empty
|
||||
match_no_arms!(0i8); //~ ERROR type `i8` is non-empty
|
||||
@ -54,6 +55,8 @@ fn nonempty() {
|
||||
match_no_arms!(NonEmptyEnum1::Foo(true)); //~ ERROR `NonEmptyEnum1::Foo(_)` not covered
|
||||
match_no_arms!(NonEmptyEnum2::Foo(true)); //~ ERROR `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
|
||||
match_no_arms!(NonEmptyEnum5::V1); //~ ERROR `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
|
||||
match_no_arms!(array0_of_empty); //~ ERROR type `[!; 0]` is non-empty
|
||||
match_no_arms!(arrayN_of_empty); //~ ERROR type `[!; N]` is non-empty
|
||||
|
||||
match_guarded_arm!(0u8); //~ ERROR `0_u8..=u8::MAX` not covered
|
||||
match_guarded_arm!(0i8); //~ ERROR `i8::MIN..=i8::MAX` not covered
|
||||
@ -66,6 +69,8 @@ fn nonempty() {
|
||||
match_guarded_arm!(NonEmptyEnum1::Foo(true)); //~ ERROR `NonEmptyEnum1::Foo(_)` not covered
|
||||
match_guarded_arm!(NonEmptyEnum2::Foo(true)); //~ ERROR `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered
|
||||
match_guarded_arm!(NonEmptyEnum5::V1); //~ ERROR `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered
|
||||
match_guarded_arm!(array0_of_empty); //~ ERROR `[]` not covered
|
||||
match_guarded_arm!(arrayN_of_empty); //~ ERROR `[]` not covered
|
||||
}
|
||||
|
||||
fn main() {}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user