156 lines
4.0 KiB
Rust
156 lines
4.0 KiB
Rust
// Copyright 2014 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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struct NewBool(bool);
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enum Direction {
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North,
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East,
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South,
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West
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}
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struct Foo {
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bar: Option<Direction>,
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baz: NewBool
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}
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enum EnumWithStructVariants {
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Variant1(bool),
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Variant2 {
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dir: Direction
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}
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}
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const TRUE_TRUE: (bool, bool) = (true, true);
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const NONE: Option<Direction> = None;
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const EAST: Direction = Direction::East;
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const NEW_FALSE: NewBool = NewBool(false);
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const STATIC_FOO: Foo = Foo { bar: Some(Direction::South), baz: NEW_FALSE };
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const VARIANT2_NORTH: EnumWithStructVariants = EnumWithStructVariants::Variant2 {
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dir: Direction::North };
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pub mod glfw {
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pub struct InputState(uint);
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pub const RELEASE : InputState = InputState(0);
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pub const PRESS : InputState = InputState(1);
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pub const REPEAT : InputState = InputState(2);
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}
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fn issue_6533() {
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use glfw;
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fn action_to_str(state: glfw::InputState) -> &'static str {
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use glfw::{RELEASE, PRESS, REPEAT};
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match state {
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RELEASE => { "Released" }
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PRESS => { "Pressed" }
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REPEAT => { "Repeated" }
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_ => { "Unknown" }
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}
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}
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assert_eq!(action_to_str(glfw::RELEASE), "Released");
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assert_eq!(action_to_str(glfw::PRESS), "Pressed");
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assert_eq!(action_to_str(glfw::REPEAT), "Repeated");
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}
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fn issue_13626() {
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const VAL: [u8, ..1] = [0];
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match [1] {
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VAL => unreachable!(),
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_ => ()
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}
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}
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fn issue_14576() {
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type Foo = (i32, i32);
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const ON: Foo = (1, 1);
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const OFF: Foo = (0, 0);
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match (1, 1) {
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OFF => unreachable!(),
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ON => (),
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_ => unreachable!()
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}
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enum C { D = 3, E = 4 }
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const F : C = C::D;
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assert_eq!(match C::D { F => 1i, _ => 2, }, 1);
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}
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fn issue_13731() {
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enum A { AA(()) }
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const B: A = A::AA(());
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match A::AA(()) {
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B => ()
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}
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}
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fn issue_15393() {
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#![allow(dead_code)]
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struct Flags {
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bits: uint
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}
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const FOO: Flags = Flags { bits: 0x01 };
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const BAR: Flags = Flags { bits: 0x02 };
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match (Flags { bits: 0x02 }) {
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FOO => unreachable!(),
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BAR => (),
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_ => unreachable!()
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}
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}
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fn main() {
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assert_eq!(match (true, false) {
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TRUE_TRUE => 1i,
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(false, false) => 2,
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(false, true) => 3,
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(true, false) => 4
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}, 4);
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assert_eq!(match Some(Some(Direction::North)) {
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Some(NONE) => 1i,
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Some(Some(Direction::North)) => 2,
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Some(Some(EAST)) => 3,
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Some(Some(Direction::South)) => 4,
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Some(Some(Direction::West)) => 5,
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None => 6
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}, 2);
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assert_eq!(match (Foo { bar: Some(Direction::West), baz: NewBool(true) }) {
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Foo { bar: None, baz: NewBool(true) } => 1i,
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Foo { bar: NONE, baz: NEW_FALSE } => 2,
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STATIC_FOO => 3,
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Foo { bar: _, baz: NEW_FALSE } => 4,
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Foo { bar: Some(Direction::West), baz: NewBool(true) } => 5,
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Foo { bar: Some(Direction::South), baz: NewBool(true) } => 6,
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Foo { bar: Some(EAST), .. } => 7,
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Foo { bar: Some(Direction::North), baz: NewBool(true) } => 8
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}, 5);
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assert_eq!(match (EnumWithStructVariants::Variant2 { dir: Direction::North }) {
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EnumWithStructVariants::Variant1(true) => 1i,
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EnumWithStructVariants::Variant1(false) => 2,
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EnumWithStructVariants::Variant2 { dir: Direction::West } => 3,
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VARIANT2_NORTH => 4,
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EnumWithStructVariants::Variant2 { dir: Direction::South } => 5,
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EnumWithStructVariants::Variant2 { dir: Direction::East } => 6
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}, 4);
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issue_6533();
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issue_13626();
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issue_13731();
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issue_14576();
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issue_15393();
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}
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