diff options
Diffstat (limited to 'src/test')
3 files changed, 75 insertions, 2 deletions
diff --git a/src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.rs b/src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.rs new file mode 100644 index 00000000000..a68b4f76352 --- /dev/null +++ b/src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.rs @@ -0,0 +1,34 @@ +// Copyright 2018 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// must-compile-successfully + +#![warn(unused)] // UI tests pass `-A unused` (#43896) + +struct SoulHistory { + corridors_of_light: usize, + hours_are_suns: bool, + endless_and_singing: bool +} + +fn main() { + let i_think_continually = 2; + let who_from_the_womb_remembered = SoulHistory { + corridors_of_light: 5, + hours_are_suns: true, + endless_and_singing: true + }; + + if let SoulHistory { corridors_of_light, + mut hours_are_suns, + endless_and_singing: true } = who_from_the_womb_remembered { + hours_are_suns = false; + } +} diff --git a/src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.stderr b/src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.stderr new file mode 100644 index 00000000000..694fe69e016 --- /dev/null +++ b/src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.stderr @@ -0,0 +1,40 @@ +warning: unused variable: `i_think_continually` + --> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:22:9 + | +22 | let i_think_continually = 2; + | ^^^^^^^^^^^^^^^^^^^ help: consider using `_i_think_continually` instead + | +note: lint level defined here + --> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:13:9 + | +13 | #![warn(unused)] // UI tests pass `-A unused` (#43896) + | ^^^^^^ + = note: #[warn(unused_variables)] implied by #[warn(unused)] + +warning: unused variable: `corridors_of_light` + --> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:29:26 + | +29 | if let SoulHistory { corridors_of_light, + | ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `corridors_of_light: _` + +warning: variable `hours_are_suns` is assigned to, but never used + --> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:30:26 + | +30 | mut hours_are_suns, + | ^^^^^^^^^^^^^^^^^^ + | + = note: consider using `_hours_are_suns` instead + +warning: value assigned to `hours_are_suns` is never read + --> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:32:9 + | +32 | hours_are_suns = false; + | ^^^^^^^^^^^^^^ + | +note: lint level defined here + --> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:13:9 + | +13 | #![warn(unused)] // UI tests pass `-A unused` (#43896) + | ^^^^^^ + = note: #[warn(unused_assignments)] implied by #[warn(unused)] + diff --git a/src/test/ui/span/issue-24690.stderr b/src/test/ui/span/issue-24690.stderr index 7e19c7492ce..31728dbf08d 100644 --- a/src/test/ui/span/issue-24690.stderr +++ b/src/test/ui/span/issue-24690.stderr @@ -2,7 +2,7 @@ warning: unused variable: `theOtherTwo` --> $DIR/issue-24690.rs:23:9 | 23 | let theOtherTwo = 2; //~ WARN should have a snake case name - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ help: consider using `_theOtherTwo` instead | note: lint level defined here --> $DIR/issue-24690.rs:18:9 @@ -10,7 +10,6 @@ note: lint level defined here 18 | #![warn(unused)] | ^^^^^^ = note: #[warn(unused_variables)] implied by #[warn(unused)] - = note: to avoid this warning, consider using `_theOtherTwo` instead warning: variable `theTwo` should have a snake case name such as `the_two` --> $DIR/issue-24690.rs:22:9 |