9 lines
252 B
Rust
9 lines
252 B
Rust
// Test that we are able to infer a suitable kind for this closure
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// that is just called (`FnMut`).
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fn main() {
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let mut counter = 0;
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let tick = || counter += 1;
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tick(); //~ ERROR cannot borrow immutable local variable `tick` as mutable
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}
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