diff options
Diffstat (limited to 'src/libcore/ops')
| -rw-r--r-- | src/libcore/ops/try.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libcore/ops/try.rs b/src/libcore/ops/try.rs index 6e330f538a8..28e84d2fba6 100644 --- a/src/libcore/ops/try.rs +++ b/src/libcore/ops/try.rs @@ -21,7 +21,9 @@ (or another type that implements `{Try}`)")] #[cfg_attr(not(stage0), rustc_on_unimplemented( - on(all(direct, from_desugaring="?"), + on(all( + any(from_method="from_error", from_method="from_ok"), + from_desugaring="?"), message="the `?` operator can only be used in a \ function that returns `Result` \ (or another type that implements `{Try}`)", |