rust/src/test/compile-fail/slice-2.rs
Nick Cameron 2d3823441f Put slicing syntax behind a feature gate.
[breaking-change]

If you are using slicing syntax you will need to add #![feature(slicing_syntax)] to your crate.
2014-10-07 15:49:53 +13:00

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1.2 KiB
Rust

// 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.
// Test that slicing syntax gives errors if we have not implemented the trait.
#![feature(slicing_syntax)]
struct Foo;
fn main() {
let x = Foo;
x[]; //~ ERROR cannot take a slice of a value with type `Foo`
x[Foo..]; //~ ERROR cannot take a slice of a value with type `Foo`
x[..Foo]; //~ ERROR cannot take a slice of a value with type `Foo`
x[Foo..Foo]; //~ ERROR cannot take a slice of a value with type `Foo`
x[mut]; //~ ERROR cannot take a mutable slice of a value with type `Foo`
x[mut Foo..]; //~ ERROR cannot take a mutable slice of a value with type `Foo`
x[mut ..Foo]; //~ ERROR cannot take a mutable slice of a value with type `Foo`
x[mut Foo..Foo]; //~ ERROR cannot take a mutable slice of a value with type `Foo`
}