On Feb 4, 2012, at 1:17 PM, Patrick Walton wrote: > On 02/04/2012 06:21 AM, Arne Döring wrote: >> The second suggestion is concerning tho #fmt macro. #fmt works like >> printf, but its string is parsed at compile time, so that errors might >> be thrown when the string is incorrect. So when you unwind this format >> string at compile time, you know also all variable names and their >> types from scope. So it might be more natural to directly import >> variable names from the scope inside of the String, like it is done in >> many scripting languages. This is also done in tho Programming >> language Nemerle. > > Well, #fmt is a macro, and I would generally be opposed to macros implicitly > capturing the local variables in scope -- that's unhygienic.
I don't quite understand Arne's description, but I don't see anything unhygienic about it either. Dave _______________________________________________ Rust-dev mailing list Rust-dev@mozilla.org https://mail.mozilla.org/listinfo/rust-dev
