Golang proposal: fmt: Panicf function

Proposal Details

Add a Panicf function to the fmt package, similar to log.Panicf(). Currently to format a panic message, I would use:

panic(fmt.Sprintf("cannot represent token type %s as string", tok))

With fmt.Panicf, this could be rewritten as:

fmt.Panicf("cannot represent token type %s as string", tok)

log.Panicf() prints a timestamp before panicking, but I'm not interested in it.

Comment From: seankhliao

Panicf doesn't really fit into what fmt does. The original using Sprintf seems quite clear.

Comment From: gabyhelp

Related Issues

• fmt: surprising undocumented behavior for "String() string" panics #5350 (closed)

Related Documentation

• Package log > func Panicf
• Package log > type Logger > func (*Logger) Panicf

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