mirror of https://github.com/rust-lang/rust
26 lines
441 B
Rust
26 lines
441 B
Rust
//@ run-pass
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#![allow(non_camel_case_types)]
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use std::cell::Cell;
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#[derive(Copy, Clone)]
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enum newtype {
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newvar(isize)
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}
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pub fn main() {
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// Test that borrowck treats enums with a single variant
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// specially.
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let x = &Cell::new(5);
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let y = &Cell::new(newtype::newvar(3));
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let z = match y.get() {
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newtype::newvar(b) => {
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x.set(x.get() + 1);
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x.get() * b
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}
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};
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assert_eq!(z, 18);
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}
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