rust/tests/ui/suggestions/fn-or-tuple-struct-without-args.stderr
Esteban Küber ec7a188f16 More accurate suggestions when writing wrong style of enum variant literal
```
error[E0533]: expected value, found struct variant `E::Empty3`
  --> $DIR/empty-struct-braces-expr.rs:18:14
   |
LL |     let e3 = E::Empty3;
   |              ^^^^^^^^^ not a value
   |
help: you might have meant to create a new value of the struct
   |
LL |     let e3 = E::Empty3 {};
   |                        ++
```
```
error[E0533]: expected value, found struct variant `E::V`
  --> $DIR/struct-literal-variant-in-if.rs:10:13
   |
LL |     if x == E::V { field } {}
   |             ^^^^ not a value
   |
help: you might have meant to create a new value of the struct
   |
LL |     if x == (E::V { field }) {}
   |             +              +
```
```
error[E0618]: expected function, found enum variant `Enum::Unit`
  --> $DIR/suggestion-highlights.rs:15:5
   |
LL |     Unit,
   |     ---- enum variant `Enum::Unit` defined here
...
LL |     Enum::Unit();
   |     ^^^^^^^^^^--
   |     |
   |     call expression requires function
   |
help: `Enum::Unit` is a unit enum variant, and does not take parentheses to be constructed
   |
LL -     Enum::Unit();
LL +     Enum::Unit;
   |
```
```
error[E0599]: no variant or associated item named `tuple` found for enum `Enum` in the current scope
  --> $DIR/suggestion-highlights.rs:36:11
   |
LL | enum Enum {
   | --------- variant or associated item `tuple` not found for this enum
...
LL |     Enum::tuple;
   |           ^^^^^ variant or associated item not found in `Enum`
   |
help: there is a variant with a similar name
   |
LL |     Enum::Tuple(/* i32 */);
   |           ~~~~~~~~~~~~~~~~;
   |
```
2024-07-18 18:20:35 +00:00

289 lines
9.2 KiB
Plaintext

error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:29:20
|
LL | fn foo(a: usize, b: usize) -> usize { a }
| ----------------------------------- function `foo` defined here
...
LL | let _: usize = foo;
| ----- ^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize, usize) -> usize {foo}`
help: use parentheses to call this function
|
LL | let _: usize = foo(/* usize */, /* usize */);
| ++++++++++++++++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:30:16
|
LL | struct S(usize, usize);
| -------- `S` defines a struct constructor here, which should be called
...
LL | let _: S = S;
| - ^ expected `S`, found struct constructor
| |
| expected due to this
|
= note: expected struct `S`
found struct constructor `fn(usize, usize) -> S {S}`
help: use parentheses to construct this tuple struct
|
LL | let _: S = S(/* usize */, /* usize */);
| ++++++++++++++++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:31:20
|
LL | fn bar() -> usize { 42 }
| ----------------- function `bar` defined here
...
LL | let _: usize = bar;
| ----- ^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn() -> usize {bar}`
help: use parentheses to call this function
|
LL | let _: usize = bar();
| ++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:32:16
|
LL | struct V();
| -------- `V` defines a struct constructor here, which should be called
...
LL | let _: V = V;
| - ^ expected `V`, found struct constructor
| |
| expected due to this
|
= note: expected struct `V`
found struct constructor `fn() -> V {V}`
help: use parentheses to construct this tuple struct
|
LL | let _: V = V();
| ++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:33:20
|
LL | fn baz(x: usize, y: usize) -> usize { x }
| ----------------------------------- associated function `baz` defined here
...
LL | let _: usize = T::baz;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize, usize) -> usize {<_ as T>::baz}`
help: use parentheses to call this associated function
|
LL | let _: usize = T::baz(/* usize */, /* usize */);
| ++++++++++++++++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:34:20
|
LL | fn bat(x: usize) -> usize { 42 }
| ------------------------- associated function `bat` defined here
...
LL | let _: usize = T::bat;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize) -> usize {<_ as T>::bat}`
help: use parentheses to call this associated function
|
LL | let _: usize = T::bat(/* usize */);
| +++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:35:16
|
LL | A(usize),
| - `A` defines an enum variant constructor here, which should be called
...
LL | let _: E = E::A;
| - ^^^^ expected `E`, found enum constructor
| |
| expected due to this
|
= note: expected enum `E`
found enum constructor `fn(usize) -> E {E::A}`
help: use parentheses to construct this tuple variant
|
LL | let _: E = E::A(/* usize */);
| +++++++++++++
error[E0533]: expected value, found struct variant `E::B`
--> $DIR/fn-or-tuple-struct-without-args.rs:36:16
|
LL | let _: E = E::B;
| ^^^^ not a value
|
help: you might have meant to create a new value of the struct
|
LL | let _: E = E::B { a: /* value */ };
| ++++++++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:37:20
|
LL | fn baz(x: usize, y: usize) -> usize { x }
| ----------------------------------- associated function `baz` defined here
...
LL | let _: usize = X::baz;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize, usize) -> usize {<X as T>::baz}`
help: use parentheses to call this associated function
|
LL | let _: usize = X::baz(/* usize */, /* usize */);
| ++++++++++++++++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:38:20
|
LL | fn bat(x: usize) -> usize { 42 }
| ------------------------- associated function `bat` defined here
...
LL | let _: usize = X::bat;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize) -> usize {<X as T>::bat}`
help: use parentheses to call this associated function
|
LL | let _: usize = X::bat(/* usize */);
| +++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:39:20
|
LL | fn bax(x: usize) -> usize { 42 }
| ------------------------- associated function `bax` defined here
...
LL | let _: usize = X::bax;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize) -> usize {<X as T>::bax}`
help: use parentheses to call this associated function
|
LL | let _: usize = X::bax(/* usize */);
| +++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:40:20
|
LL | fn bach(x: usize) -> usize;
| --------------------------- associated function `bach` defined here
...
LL | let _: usize = X::bach;
| ----- ^^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `fn(usize) -> usize {<X as T>::bach}`
help: use parentheses to call this associated function
|
LL | let _: usize = X::bach(/* usize */);
| +++++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:41:20
|
LL | fn ban(&self) -> usize { 42 }
| ---------------------- method `ban` defined here
...
LL | let _: usize = X::ban;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `for<'a> fn(&'a X) -> usize {<X as T>::ban}`
help: use parentheses to call this method
|
LL | let _: usize = X::ban(/* &X */);
| ++++++++++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:42:20
|
LL | fn bal(&self) -> usize;
| ----------------------- method `bal` defined here
...
LL | let _: usize = X::bal;
| ----- ^^^^^^ expected `usize`, found fn item
| |
| expected due to this
|
= note: expected type `usize`
found fn item `for<'a> fn(&'a X) -> usize {<X as T>::bal}`
help: use parentheses to call this method
|
LL | let _: usize = X::bal(/* &X */);
| ++++++++++
error[E0615]: attempted to take value of method `ban` on type `X`
--> $DIR/fn-or-tuple-struct-without-args.rs:43:22
|
LL | let _: usize = X.ban;
| ^^^ method, not a field
|
help: use parentheses to call the method
|
LL | let _: usize = X.ban();
| ++
error[E0615]: attempted to take value of method `bal` on type `X`
--> $DIR/fn-or-tuple-struct-without-args.rs:44:22
|
LL | let _: usize = X.bal;
| ^^^ method, not a field
|
help: use parentheses to call the method
|
LL | let _: usize = X.bal();
| ++
error[E0308]: mismatched types
--> $DIR/fn-or-tuple-struct-without-args.rs:46:20
|
LL | let closure = || 42;
| -- the found closure
LL | let _: usize = closure;
| ----- ^^^^^^^ expected `usize`, found closure
| |
| expected due to this
|
= note: expected type `usize`
found closure `{closure@$DIR/fn-or-tuple-struct-without-args.rs:45:19: 45:21}`
help: use parentheses to call this closure
|
LL | let _: usize = closure();
| ++
error: aborting due to 17 previous errors
Some errors have detailed explanations: E0308, E0533, E0615.
For more information about an error, try `rustc --explain E0308`.