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| author | ashtneoi <ashtneoi@gmail.com> | 2018-07-11 03:45:25 -0700 |
|---|---|---|
| committer | ashtneoi <ashtneoi@gmail.com> | 2018-07-12 22:51:30 -0700 |
| commit | 77d5f397716778fcc82a60ea9d6102c0cfea15f6 (patch) | |
| tree | 86107665565e61e353fb17d89c4990fbb2e6007a | |
| parent | 73a979ad63ea20821996809aaccb82767ac84658 (diff) | |
| download | rust-77d5f397716778fcc82a60ea9d6102c0cfea15f6.tar.gz rust-77d5f397716778fcc82a60ea9d6102c0cfea15f6.zip | |
Also test `&mut self` suggestion
| -rw-r--r-- | src/test/ui/suggestions/suggest-ref-mut.rs | 11 | ||||
| -rw-r--r-- | src/test/ui/suggestions/suggest-ref-mut.stderr | 17 |
2 files changed, 24 insertions, 4 deletions
diff --git a/src/test/ui/suggestions/suggest-ref-mut.rs b/src/test/ui/suggestions/suggest-ref-mut.rs index 1f5c5b03328..30b5371af1a 100644 --- a/src/test/ui/suggestions/suggest-ref-mut.rs +++ b/src/test/ui/suggestions/suggest-ref-mut.rs @@ -10,6 +10,17 @@ #![feature(nll)] +struct X(usize); + +impl X { + fn zap(&self) { + //~^ HELP + //~| SUGGESTION &mut self + self.0 = 32; + //~^ ERROR + } +} + fn main() { let ref foo = 16; //~^ HELP diff --git a/src/test/ui/suggestions/suggest-ref-mut.stderr b/src/test/ui/suggestions/suggest-ref-mut.stderr index d1590b3934e..0b2b240ef53 100644 --- a/src/test/ui/suggestions/suggest-ref-mut.stderr +++ b/src/test/ui/suggestions/suggest-ref-mut.stderr @@ -1,5 +1,14 @@ +error[E0594]: cannot assign to `self.0` which is behind a `&` reference + --> $DIR/suggest-ref-mut.rs:19:9 + | +LL | fn zap(&self) { + | ----- help: consider changing this to be a mutable reference: `&mut self` +... +LL | self.0 = 32; + | ^^^^^^^^^^^ `self` is a `&` reference, so the data it refers to cannot be written + error[E0594]: cannot assign to `*foo` which is behind a `&` reference - --> $DIR/suggest-ref-mut.rs:17:5 + --> $DIR/suggest-ref-mut.rs:28:5 | LL | let ref foo = 16; | ------- help: consider changing this to be a mutable reference: `ref mut foo` @@ -8,7 +17,7 @@ LL | *foo = 32; | ^^^^^^^^^ `foo` is a `&` reference, so the data it refers to cannot be written error[E0594]: cannot assign to `*bar` which is behind a `&` reference - --> $DIR/suggest-ref-mut.rs:22:9 + --> $DIR/suggest-ref-mut.rs:33:9 | LL | if let Some(ref bar) = Some(16) { | ------- help: consider changing this to be a mutable reference: `ref mut bar` @@ -17,13 +26,13 @@ LL | *bar = 32; | ^^^^^^^^^ `bar` is a `&` reference, so the data it refers to cannot be written error[E0594]: cannot assign to `*quo` which is behind a `&` reference - --> $DIR/suggest-ref-mut.rs:26:22 + --> $DIR/suggest-ref-mut.rs:37:22 | LL | ref quo => { *quo = 32; }, | ------- ^^^^^^^^^ `quo` is a `&` reference, so the data it refers to cannot be written | | | help: consider changing this to be a mutable reference: `ref mut quo` -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0594`. |