The answer to 90% of questions about #rustlang is "Because it allows memory safety with zero overhead". (i.e. no GC.)
@oxnrtr I think having type safe printf is worth it. The alternatives seem to me to be either not type safe (C/Java-like printf), …
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@pcwalton Of course a type-safe printf is worth it. But nothing about that requires exposing the current mess to Rust's users. -
@oxnrtr We don't want to hardwire format strings into the language, when language features (i.e. macros) already provide that functionality. - 5 more replies
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