20 lines
577 B
Rust
20 lines
577 B
Rust
// revisions: ast mir
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//[mir]compile-flags: -Zborrowck=mir
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fn test() {
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let v: isize;
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//[mir]~^ HELP make this binding mutable
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//[mir]~| SUGGESTION mut v
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v = 1; //[ast]~ NOTE first assignment
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//[mir]~^ NOTE first assignment
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println!("v={}", v);
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v = 2; //[ast]~ ERROR cannot assign twice to immutable variable
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//[mir]~^ ERROR cannot assign twice to immutable variable `v`
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//[ast]~| NOTE cannot assign twice to immutable
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//[mir]~| NOTE cannot assign twice to immutable
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println!("v={}", v);
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}
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fn main() {
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}
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