new tests for RFC #1445
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@ -26,8 +26,6 @@ fn main() { //~ ERROR compilation successful
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//~^^^ WARNING unmatchable NaN in pattern, use the is_nan method in a guard instead
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//~| WARNING floating point constants cannot be used
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//~| WARNING this was previously accepted
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//~| WARNING floating point constants cannot be used
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//~| WARNING this was previously accepted
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match [x, 1.0] {
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[NAN, _] => {},
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_ => {},
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@ -35,6 +33,4 @@ fn main() { //~ ERROR compilation successful
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//~^^^ WARNING unmatchable NaN in pattern, use the is_nan method in a guard instead
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//~| WARNING floating point constants cannot be used
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//~| WARNING this was previously accepted
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//~| WARNING floating point constants cannot be used
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//~| WARNING this was previously accepted
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}
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@ -0,0 +1,36 @@
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Test that structural match is only permitted with a feature gate,
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// and that if a feature gate is supplied, it permits the type to be
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// used in a match.
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// revisions: with_gate no_gate
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#![allow(dead_code)]
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#![deny(future_incompatible)]
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#![feature(rustc_attrs)]
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#![cfg_attr(with_gate, feature(structural_match))]
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#[structural_match] //[no_gate]~ ERROR semantics of constant patterns is not yet settled
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struct Foo {
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x: u32
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}
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const FOO: Foo = Foo { x: 0 };
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#[rustc_error]
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fn main() { //[with_gate]~ ERROR compilation successful
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let y = Foo { x: 1 };
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match y {
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FOO => { }
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_ => { }
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}
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}
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@ -0,0 +1,39 @@
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![allow(dead_code)]
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#![deny(future_incompatible)]
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use std::f32;
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#[derive(PartialEq)]
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struct Foo {
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x: u32
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}
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const FOO: Foo = Foo { x: 0 };
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fn main() {
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let y = Foo { x: 1 };
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match y {
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FOO => { }
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//~^ ERROR must be annotated with `#[derive(Eq)]`
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//~| WARNING will become a hard error
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_ => { }
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}
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let x = 0.0;
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match x {
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f32::INFINITY => { }
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//~^ ERROR floating point constants cannot be used in patterns
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//~| WARNING will become a hard error
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_ => { }
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}
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}
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@ -0,0 +1,32 @@
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![allow(dead_code)]
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macro_rules! foo {
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(#[$attr:meta] $x:ident) => {
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#[$attr]
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struct $x {
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x: u32
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}
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}
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}
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foo! { #[derive(PartialEq, Eq)] Foo }
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const FOO: Foo = Foo { x: 0 };
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fn main() {
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let y = Foo { x: 1 };
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match y {
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FOO => { }
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_ => { }
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}
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}
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@ -0,0 +1,26 @@
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![allow(dead_code)]
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#[derive(PartialEq, Eq)]
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struct Foo {
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x: u32
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}
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const FOO: Foo = Foo { x: 0 };
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fn main() {
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let y = Foo { x: 1 };
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match y {
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FOO => { }
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_ => { }
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}
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}
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