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Make ui/suggestions/suggest-tryinto-edition-change.rs no_std to avoid getting inconsistent output between local and CI.

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This commit is contained in:
Jakob Degen 2021-10-25 22:56:18 -04:00
parent 958e645946
commit 6ce3ae4b73
2 changed files with 37 additions and 48 deletions
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38
src/test/ui/suggestions/suggest-tryinto-edition-change.rs
View file

@ -2,30 +2,28 @@
// Edition 2021 change
// edition:2018
fn test() {
let _i: i16 = 0_i32.try_into().unwrap();
// We mark this no_std to avoid emitting suggestions for both `std` and `core` traits. These were
// inconsistently ordered between CI and at least one local build, causing test failures.
#![no_std]
#![crate_type = "lib"]
pub fn test() {
let _i: Result<i16, _> = 0_i32.try_into();
//~^ ERROR no method named `try_into` found for type `i32` in the current scope
//~| NOTE method not found in `i32`
//~| NOTE 'std::convert::TryInto' is included in the prelude starting in Edition 2021
let _i: i16 = TryFrom::try_from(0_i32).unwrap();
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE not found in this scope
//~| NOTE 'std::convert::TryFrom' is included in the prelude starting in Edition 2021
//~| NOTE 'core::convert::TryFrom' is included in the prelude starting in Edition 2021
let _i: i16 = TryInto::try_into(0_i32).unwrap();
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE not found in this scope
//~| NOTE 'std::convert::TryInto' is included in the prelude starting in Edition 2021
//~| NOTE 'core::convert::TryInto' is included in the prelude starting in Edition 2021
let _v: Vec<_> = FromIterator::from_iter(&[1]);
let _i: Result<i16, _> = TryFrom::try_from(0_i32);
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE not found in this scope
//~| NOTE 'core::convert::TryFrom' is included in the prelude starting in Edition 2021
let _i: Result<i16, _> = TryInto::try_into(0_i32);
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE not found in this scope
//~| NOTE 'core::convert::TryInto' is included in the prelude starting in Edition 2021
let _i: () = FromIterator::from_iter(core::iter::empty());
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE 'std::iter::FromIterator' is included in the prelude starting in Edition 2021
//~| NOTE 'core::iter::FromIterator' is included in the prelude starting in Edition 2021
}
fn main() {
test();
}

47
src/test/ui/suggestions/suggest-tryinto-edition-change.stderr
View file

@ -1,62 +1,53 @@
error[E0433]: failed to resolve: use of undeclared type `TryFrom`
--> $DIR/suggest-tryinto-edition-change.rs:11:19
--> $DIR/suggest-tryinto-edition-change.rs:14:30
|
LL | let _i: i16 = TryFrom::try_from(0_i32).unwrap();
| ^^^^^^^ not found in this scope
LL | let _i: Result<i16, _> = TryFrom::try_from(0_i32);
| ^^^^^^^ not found in this scope
|
= note: 'std::convert::TryFrom' is included in the prelude starting in Edition 2021
= note: 'core::convert::TryFrom' is included in the prelude starting in Edition 2021
help: consider importing one of these items
|
LL | use std::convert::TryFrom;
help: consider importing this trait
|
LL | use core::convert::TryFrom;
|
error[E0433]: failed to resolve: use of undeclared type `TryInto`
--> $DIR/suggest-tryinto-edition-change.rs:17:19
--> $DIR/suggest-tryinto-edition-change.rs:19:30
|
LL | let _i: i16 = TryInto::try_into(0_i32).unwrap();
| ^^^^^^^ not found in this scope
LL | let _i: Result<i16, _> = TryInto::try_into(0_i32);
| ^^^^^^^ not found in this scope
|
= note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021
= note: 'core::convert::TryInto' is included in the prelude starting in Edition 2021
help: consider importing one of these items
|
LL | use std::convert::TryInto;
help: consider importing this trait
|
LL | use core::convert::TryInto;
|
error[E0433]: failed to resolve: use of undeclared type `FromIterator`
--> $DIR/suggest-tryinto-edition-change.rs:23:22
--> $DIR/suggest-tryinto-edition-change.rs:24:18
|
LL | let _v: Vec<_> = FromIterator::from_iter(&[1]);
| ^^^^^^^^^^^^
LL | let _i: () = FromIterator::from_iter(core::iter::empty());
| ^^^^^^^^^^^^
|
::: $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL
|
LL | pub trait IntoIterator {
| ---------------------- similarly named trait `IntoIterator` defined here
|
= note: 'std::iter::FromIterator' is included in the prelude starting in Edition 2021
= note: 'core::iter::FromIterator' is included in the prelude starting in Edition 2021
help: a trait with a similar name exists
|
LL | let _v: Vec<_> = IntoIterator::from_iter(&[1]);
| ~~~~~~~~~~~~
help: consider importing one of these items
|
LL | use std::iter::FromIterator;
LL | let _i: () = IntoIterator::from_iter(core::iter::empty());
| ~~~~~~~~~~~~
help: consider importing this trait
|
LL | use core::iter::FromIterator;
|
error[E0599]: no method named `try_into` found for type `i32` in the current scope
--> $DIR/suggest-tryinto-edition-change.rs:6:25
--> $DIR/suggest-tryinto-edition-change.rs:9:36
|
LL | let _i: i16 = 0_i32.try_into().unwrap();
| ^^^^^^^^ method not found in `i32`
LL | let _i: Result<i16, _> = 0_i32.try_into();
| ^^^^^^^^ method not found in `i32`
|
::: $SRC_DIR/core/src/convert/mod.rs:LL:COL
|
@ -64,10 +55,10 @@ LL | fn try_into(self) -> Result<T, Self::Error>;
| -------- the method is available for `i32` here
|
= help: items from traits can only be used if the trait is in scope
= note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021
= note: 'core::convert::TryInto' is included in the prelude starting in Edition 2021
help: the following trait is implemented but not in scope; perhaps add a `use` for it:
|
LL | use std::convert::TryInto;
LL | use core::convert::TryInto;
|
error: aborting due to 4 previous errors