2019-07-03 06:30:28 +09:00
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// build-pass (FIXME(62277): could be check-pass?)
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2018-11-01 03:32:45 +00:00
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// compile-flags: -Wunused
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// make sure write!() can't hide its unused Result
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fn main() {
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use std::fmt::Write;
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let mut example = String::new();
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write!(&mut example, "{}", 42); //~WARN must be used
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}
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