29 lines
870 B
Rust
29 lines
870 B
Rust
// 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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fn foo<T>(y: Option<T>) {
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let mut x: isize;
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let mut rs: Vec<isize> = Vec::new();
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/* tests that x doesn't get put in the precondition for the
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entire if expression */
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if true {
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} else {
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match y {
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None::<T> => x = 17,
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_ => x = 42
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}
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rs.push(x);
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}
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return;
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}
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pub fn main() { println!("hello"); foo::<isize>(Some::<isize>(5)); }
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