| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // 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 |
| //~^^ 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 |
| //~^^ 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 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 |
| |
| 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: (_, _), |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| //~^^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| 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 |
| //~^^ 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 |
| //~^^ 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 |
| |
| 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: (_, _), |
| //~^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| //~^^ ERROR the type placeholder `_` is not allowed within types on item signatures |
| } |
| |
| } |