diff options
Diffstat (limited to 'tests/ui/pattern/bindings-after-at/pat-at-same-name-both.rs')
-rw-r--r-- | tests/ui/pattern/bindings-after-at/pat-at-same-name-both.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/pattern/bindings-after-at/pat-at-same-name-both.rs b/tests/ui/pattern/bindings-after-at/pat-at-same-name-both.rs new file mode 100644 index 000000000..f167a3952 --- /dev/null +++ b/tests/ui/pattern/bindings-after-at/pat-at-same-name-both.rs @@ -0,0 +1,29 @@ +// Test that `binding @ subpat` acts as a product context with respect to duplicate binding names. +// The code that is tested here lives in resolve (see `resolve_pattern_inner`). + + +fn main() { + fn f(a @ a @ a: ()) {} + //~^ ERROR identifier `a` is bound more than once in this parameter list + //~| ERROR identifier `a` is bound more than once in this parameter list + + match Ok(0) { + Ok(a @ b @ a) + //~^ ERROR identifier `a` is bound more than once in the same pattern + | Err(a @ b @ a) + //~^ ERROR identifier `a` is bound more than once in the same pattern + => {} + } + + let a @ a @ a = (); + //~^ ERROR identifier `a` is bound more than once in the same pattern + //~| ERROR identifier `a` is bound more than once in the same pattern + let ref a @ ref a = (); + //~^ ERROR identifier `a` is bound more than once in the same pattern + let ref mut a @ ref mut a = (); + //~^ ERROR identifier `a` is bound more than once in the same pattern + + let a @ (Ok(a) | Err(a)) = Ok(()); + //~^ ERROR identifier `a` is bound more than once in the same pattern + //~| ERROR identifier `a` is bound more than once in the same pattern +} |