diff options
Diffstat (limited to 'tests/ui/try-trait/try-on-option-diagnostics.rs')
-rw-r--r-- | tests/ui/try-trait/try-on-option-diagnostics.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ui/try-trait/try-on-option-diagnostics.rs b/tests/ui/try-trait/try-on-option-diagnostics.rs new file mode 100644 index 000000000..7ffa0de6c --- /dev/null +++ b/tests/ui/try-trait/try-on-option-diagnostics.rs @@ -0,0 +1,47 @@ +// edition:2018 + +fn main() {} + +fn a_function() -> u32 { + let x: Option<u32> = None; + x?; //~ ERROR the `?` operator + 22 +} + +fn a_closure() -> u32 { + let a_closure = || { + let x: Option<u32> = None; + x?; //~ ERROR the `?` operator + 22 + }; + a_closure() +} + +fn a_method() -> u32 { + struct S; + + impl S { + fn a_method() { + let x: Option<u32> = None; + x?; //~ ERROR the `?` operator + } + } + + S::a_method(); + 22 +} + +fn a_trait_method() -> u32 { + struct S; + trait T { + fn a_trait_method() { + let x: Option<u32> = None; + x?; //~ ERROR the `?` operator + } + } + + impl T for S { } + + S::a_trait_method(); + 22 +} |