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When encountering code like `Box(42)`, suggest `Box::new(42)` and *all* other associated functions that return `-> Box<T>`.
70 lines
2.6 KiB
Plaintext
70 lines
2.6 KiB
Plaintext
error[E0433]: failed to resolve: use of undeclared type `TryFrom`
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--> $DIR/suggest-tryinto-edition-change.rs:11:19
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LL | let _i: i16 = TryFrom::try_from(0_i32).unwrap();
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| ^^^^^^^ use of undeclared type `TryFrom`
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= note: 'core::convert::TryFrom' is included in the prelude starting in Edition 2021
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= note: 'std::convert::TryFrom' is included in the prelude starting in Edition 2021
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help: consider importing one of these items
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LL + use core::convert::TryFrom;
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LL + use std::convert::TryFrom;
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error[E0433]: failed to resolve: use of undeclared type `TryInto`
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--> $DIR/suggest-tryinto-edition-change.rs:17:19
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LL | let _i: i16 = TryInto::try_into(0_i32).unwrap();
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| ^^^^^^^ use of undeclared type `TryInto`
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= note: 'core::convert::TryInto' is included in the prelude starting in Edition 2021
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= note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021
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help: consider importing one of these items
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LL + use core::convert::TryInto;
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LL + use std::convert::TryInto;
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error[E0433]: failed to resolve: use of undeclared type `FromIterator`
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--> $DIR/suggest-tryinto-edition-change.rs:23:22
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LL | let _v: Vec<_> = FromIterator::from_iter(&[1]);
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| ^^^^^^^^^^^^ use of undeclared type `FromIterator`
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= note: 'core::iter::FromIterator' is included in the prelude starting in Edition 2021
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= note: 'std::iter::FromIterator' is included in the prelude starting in Edition 2021
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help: a trait with a similar name exists
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LL | let _v: Vec<_> = IntoIterator::from_iter(&[1]);
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| ~~~~~~~~~~~~
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help: consider importing one of these items
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LL + use core::iter::FromIterator;
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LL + use std::iter::FromIterator;
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error[E0599]: no method named `try_into` found for type `i32` in the current scope
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--> $DIR/suggest-tryinto-edition-change.rs:6:25
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LL | let _i: i16 = 0_i32.try_into().unwrap();
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| ^^^^^^^^ method not found in `i32`
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--> $SRC_DIR/core/src/convert/mod.rs:LL:COL
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= note: the method is available for `i32` here
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= help: items from traits can only be used if the trait is in scope
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= note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021
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help: the following trait is implemented but not in scope; perhaps add a `use` for it:
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LL + use std::convert::TryInto;
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error: aborting due to 4 previous errors
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Some errors have detailed explanations: E0433, E0599.
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For more information about an error, try `rustc --explain E0433`.
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