2020-07-02 00:32:12 -05:00
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// run-rustfix
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2018-04-30 17:31:37 -05:00
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#![deny(unused_mut)]
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2020-07-02 00:32:12 -05:00
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#![allow(unused_variables)] // for rustfix
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2018-04-30 17:31:37 -05:00
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fn main() {
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vec![(42, 22)].iter().map(|(mut x, _y)| ()).count();
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//~^ ERROR: variable does not need to be mutable
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}
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