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New upstream version 1.49.0+dfsg1
[rustc.git] / src / test / ui / expr-block-generic-unique1.rs
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416331ca 1// run-pass
72b1a166 2#![allow(unused_braces)]
1a4d82fc 3#![feature(box_syntax)]
223e47cc 4
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5fn test_generic<T, F>(expected: Box<T>, eq: F) where T: Clone, F: FnOnce(Box<T>, Box<T>) -> bool {
6 let actual: Box<T> = { expected.clone() };
7 assert!(eq(expected, actual));
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8}
9
10fn test_box() {
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11 fn compare_box(b1: Box<bool>, b2: Box<bool>) -> bool {
12 println!("{}", *b1);
13 println!("{}", *b2);
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14 return *b1 == *b2;
15 }
1a4d82fc 16 test_generic::<bool, _>(box true, compare_box);
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17}
18
19pub fn main() { test_box(); }