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or-patterns: #47390: we rely on names to exercise IndexMap.

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This commit is contained in:
Mazdak Farrokhzad 2019-09-16 20:49:48 +02:00
parent 05cc3c0a83
commit 370fbcc022
2 changed files with 13 additions and 10 deletions
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3
src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.rs
View file

@ -33,6 +33,9 @@ fn main() {
let mut mut_unused_var = 1;
let (mut var, unused_var) = (1, 2);
// NOTE: `var` comes after `unused_var` lexicographically yet the warning
// for `var` will be emitted before the one for `unused_var`. We use an
// `IndexMap` to ensure this is the case instead of a `BTreeMap`.
if let SoulHistory { corridors_of_light,
mut hours_are_suns,

20
src/test/ui/lint/issue-47390-unused-variable-in-struct-pattern.stderr
View file

@ -30,13 +30,13 @@ LL | let (mut var, unused_var) = (1, 2);
| ^^^^^^^^^^ help: consider prefixing with an underscore: `_unused_var`
warning: unused variable: `corridors_of_light`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:37:26
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:40:26
|
LL | 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:38:30
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:41:30
|
LL | mut hours_are_suns,
| ^^^^^^^^^^^^^^
@ -44,7 +44,7 @@ LL | 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:40:9
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:43:9
|
LL | hours_are_suns = false;
| ^^^^^^^^^^^^^^
@ -58,43 +58,43 @@ LL | #![warn(unused)] // UI tests pass `-A unused` (#43896)
= help: maybe it is overwritten before being read?
warning: unused variable: `fire`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:44:32
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:47:32
|
LL | let LovelyAmbition { lips, fire } = the_spirit;
| ^^^^ help: try ignoring the field: `fire: _`
warning: unused variable: `case`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:53:23
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:56:23
|
LL | Large::Suit { case } => {}
| ^^^^ help: try ignoring the field: `case: _`
warning: unused variable: `case`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:58:24
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:61:24
|
LL | &Large::Suit { case } => {}
| ^^^^ help: try ignoring the field: `case: _`
warning: unused variable: `case`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:63:27
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:66:27
|
LL | box Large::Suit { case } => {}
| ^^^^ help: try ignoring the field: `case: _`
warning: unused variable: `case`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:68:24
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:71:24
|
LL | (Large::Suit { case },) => {}
| ^^^^ help: try ignoring the field: `case: _`
warning: unused variable: `case`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:73:24
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:76:24
|
LL | [Large::Suit { case }] => {}
| ^^^^ help: try ignoring the field: `case: _`
warning: unused variable: `case`
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:78:29
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:81:29
|
LL | Tuple(Large::Suit { case }, ()) => {}
| ^^^^ help: try ignoring the field: `case: _`