diff options
Diffstat (limited to 'src/test/ui/suggestions/import-trait-for-method-call.rs')
-rw-r--r-- | src/test/ui/suggestions/import-trait-for-method-call.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/suggestions/import-trait-for-method-call.rs b/src/test/ui/suggestions/import-trait-for-method-call.rs new file mode 100644 index 000000000..4dbadbdf9 --- /dev/null +++ b/src/test/ui/suggestions/import-trait-for-method-call.rs @@ -0,0 +1,16 @@ +use std::hash::BuildHasher; + +fn next_u64() -> u64 { + let bh = std::collections::hash_map::RandomState::new(); + let h = bh.build_hasher(); + h.finish() //~ ERROR no method named `finish` found for struct `DefaultHasher` +} + +trait Bar {} +impl Bar for String {} + +fn main() { + let s = String::from("hey"); + let x: &dyn Bar = &s; + x.as_ref(); //~ ERROR the method `as_ref` exists for reference `&dyn Bar`, but its trait bounds +} |