rust/src/test/compile-fail/duplicate-parameter.rs

// 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.

fn f(a: isize, a: isize) {}
//~^ ERROR identifier `a` is bound more than once in this parameter list

fn main() {
}
librustc: Forbid duplicate name bindings in the same parameter or type parameter list. This breaks code like: fn f(a: int, a: int) { ... } fn g<T,T>(a: T) { ... } Change this code to not use the same name for a parameter. For example: fn f(a: int, b: int) { ... } fn g<T,U>(a: T) { ... } Code like this is not affected, since `_` is not an identifier: fn f(_: int, _: int) { ... } // OK Closes #17568. [breaking-change] 2014-10-08 23:28:50 -05:00			`// 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.`

Update compile fail tests to use isize. 2015-01-08 04:54:35 -06:00			`fn f(a: isize, a: isize) {}`
librustc: Forbid duplicate name bindings in the same parameter or type parameter list. This breaks code like: fn f(a: int, a: int) { ... } fn g<T,T>(a: T) { ... } Change this code to not use the same name for a parameter. For example: fn f(a: int, b: int) { ... } fn g<T,U>(a: T) { ... } Code like this is not affected, since `_` is not an identifier: fn f(_: int, _: int) { ... } // OK Closes #17568. [breaking-change] 2014-10-08 23:28:50 -05:00			//~^ ERROR identifier `a` is bound more than once in this parameter list

			`fn main() {`
			`}`