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11 lines
229 B
Rust
11 lines
229 B
Rust
//@ check-pass
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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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