diff options
Diffstat (limited to 'src/test/ui/type-inference/sort_by_key.stderr')
| -rw-r--r-- | src/test/ui/type-inference/sort_by_key.stderr | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/type-inference/sort_by_key.stderr b/src/test/ui/type-inference/sort_by_key.stderr new file mode 100644 index 000000000..0a48d5756 --- /dev/null +++ b/src/test/ui/type-inference/sort_by_key.stderr @@ -0,0 +1,14 @@ +error[E0282]: type annotations needed + --> $DIR/sort_by_key.rs:3:40 + | +LL | lst.sort_by_key(|&(v, _)| v.iter().sum()); + | ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | +help: consider specifying the generic argument + | +LL | lst.sort_by_key(|&(v, _)| v.iter().sum::<S>()); + | +++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0282`. |