21 lines
397 B
Rust
21 lines
397 B
Rust
fn f1(&x: int) {
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x = 1; // no error
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}
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fn f2() {
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let mut x = 3; //~ WARNING value assigned to `x` is never read
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x = 4;
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copy x;
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}
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fn f3() {
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let mut x = 3;
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copy x;
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x = 4; //~ WARNING value assigned to `x` is never read
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}
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fn main() { // leave this in here just to trigger compile-fail:
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let x: int;
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copy x; //~ ERROR use of possibly uninitialized variable: `x`
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}
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