I found this error message that explains things well: github.com/rust-lang/rust/issues/5... The lifetime is 'static by default, but writing Display + '_ tells the compiler to infer a shorter-lasting lifetime.
Display + '_
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I found this error message that explains things well:
github.com/rust-lang/rust/issues/5...
The lifetime is 'static by default, but writing
Display + '_tells the compiler to infer a shorter-lasting lifetime.