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| author | Max Tilley <1138504+3tilley@users.noreply.github.com> | 2023-11-08 00:26:55 +0000 |
|---|---|---|
| committer | Max Tilley <1138504+3tilley@users.noreply.github.com> | 2023-11-08 14:15:25 +0000 |
| commit | 1854776fa947e6f12dda66ec7858d9c00a11ac95 (patch) | |
| tree | 1b0f9361f68f8562b8c42bda3586e9e710c028f3 | |
| parent | d1611e39c43e26333ba989cedbd63117be798741 (diff) | |
| download | rust-1854776fa947e6f12dda66ec7858d9c00a11ac95.tar.gz rust-1854776fa947e6f12dda66ec7858d9c00a11ac95.zip | |
Reorder type mismatch suggestions
Suggestions are reordered to to make sure potential missing expect on Option/Result runs before the suggestion to remove the last method call
| -rw-r--r-- | compiler/rustc_hir_typeck/src/demand.rs | 4 | ||||
| -rw-r--r-- | tests/ui/suggestions/issue-117669.rs | 4 | ||||
| -rw-r--r-- | tests/ui/suggestions/issue-117669.stderr | 18 |
3 files changed, 24 insertions, 2 deletions
diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index abb83228030..dbbfddc1556 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -43,6 +43,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Use `||` to give these suggestions a precedence let suggested = self.suggest_missing_parentheses(err, expr) + || self.suggest_missing_unwrap_expect(err, expr, expected, expr_ty) || self.suggest_remove_last_method_call(err, expr, expected) || self.suggest_associated_const(err, expr, expected) || self.suggest_deref_ref_or_into(err, expr, expected, expr_ty, expected_ty_expr) @@ -58,8 +59,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { || self.suggest_into(err, expr, expr_ty, expected) || self.suggest_floating_point_literal(err, expr, expected) || self.suggest_null_ptr_for_literal_zero_given_to_ptr_arg(err, expr, expected) - || self.suggest_coercing_result_via_try_operator(err, expr, expected, expr_ty) - || self.suggest_missing_unwrap_expect(err, expr, expected, expr_ty); + || self.suggest_coercing_result_via_try_operator(err, expr, expected, expr_ty); if !suggested { self.note_source_of_type_mismatch_constraint( diff --git a/tests/ui/suggestions/issue-117669.rs b/tests/ui/suggestions/issue-117669.rs new file mode 100644 index 00000000000..09b4f2bd47c --- /dev/null +++ b/tests/ui/suggestions/issue-117669.rs @@ -0,0 +1,4 @@ +fn main() { + let abs: i32 = 3i32.checked_abs(); + //~^ ERROR mismatched types +} diff --git a/tests/ui/suggestions/issue-117669.stderr b/tests/ui/suggestions/issue-117669.stderr new file mode 100644 index 00000000000..f09675fcc5c --- /dev/null +++ b/tests/ui/suggestions/issue-117669.stderr @@ -0,0 +1,18 @@ +error[E0308]: mismatched types + --> $DIR/issue-117669.rs:2:20 + | +LL | let abs: i32 = 3i32.checked_abs(); + | --- ^^^^^^^^^^^^^^^^^^ expected `i32`, found `Option<i32>` + | | + | expected due to this + | + = note: expected type `i32` + found enum `Option<i32>` +help: consider using `Option::expect` to unwrap the `Option<i32>` value, panicking if the value is an `Option::None` + | +LL | let abs: i32 = 3i32.checked_abs().expect("REASON"); + | +++++++++++++++++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. |
