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panic!("{}") doesn't error out on compilation #30026

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mkpankov opened this issue Nov 24, 2015 · 2 comments
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panic!("{}") doesn't error out on compilation #30026

mkpankov opened this issue Nov 24, 2015 · 2 comments

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@mkpankov
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Playground: http://is.gd/jaT7YG

IMO the behavior should be consistent with println!.
@solson
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solson commented Nov 24, 2015

This happens since panic! special cases the one-argument case to not go through format_args!. It would be nice to have the message checked in this case anyway to make sure it doesn't have any un-escaped {}s, but it's not clear to me how we should do that.

@jonas-schievink
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Duplicate of #22932

@jdm jdm closed this as completed Nov 24, 2015
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@solson @jdm @mkpankov @jonas-schievink