| // This test checks that it is not possible to enable global type |
| // inference by using the `_` type placeholder. |
| |
| fn test() -> _ { 5 } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test2() -> (_, _) { (5, 5) } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| static TEST3: _ = "test"; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| static TEST4: _ = 145; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| static TEST5: (_, _) = (1, 2); |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test6(_: _) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test6_b<T>(_: _, _: T) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test6_c<T, K, L, A, B>(_: _, _: (T, K, L, A, B)) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test7(x: _) { let _x: usize = x; } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test8(_f: fn() -> _) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| //~| ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| struct Test9; |
| |
| impl Test9 { |
| fn test9(&self) -> _ { () } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn test10(&self, _x : _) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| impl Clone for Test9 { |
| fn clone(&self) -> _ { Test9 } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn clone_from(&mut self, other: _) { *self = Test9; } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| struct Test10 { |
| a: _, |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| b: (_, _), |
| } |
| |
| pub fn main() { |
| fn fn_test() -> _ { 5 } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn fn_test2() -> (_, _) { (5, 5) } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| static FN_TEST3: _ = "test"; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| static FN_TEST4: _ = 145; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| static FN_TEST5: (_, _) = (1, 2); |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn fn_test6(_: _) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn fn_test7(x: _) { let _x: usize = x; } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn fn_test8(_f: fn() -> _) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| //~| ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| struct FnTest9; |
| |
| impl FnTest9 { |
| fn fn_test9(&self) -> _ { () } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn fn_test10(&self, _x : _) { } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| impl Clone for FnTest9 { |
| fn clone(&self) -> _ { FnTest9 } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn clone_from(&mut self, other: _) { *self = FnTest9; } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| struct FnTest10 { |
| a: _, |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| b: (_, _), |
| } |
| |
| fn fn_test11(_: _) -> (_, _) { panic!() } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| //~| ERROR type annotations needed |
| |
| fn fn_test12(x: i32) -> (_, _) { (x, x) } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| |
| fn fn_test13(x: _) -> (i32, _) { (x, x) } |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| trait T { |
| fn method_test1(&self, x: _); |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| fn method_test2(&self, x: _) -> _; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| fn method_test3(&self) -> _; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| fn assoc_fn_test1(x: _); |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| fn assoc_fn_test2(x: _) -> _; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| fn assoc_fn_test3() -> _; |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |