2014/1/6 Andrei Alexandrescu <[email protected]> > On 1/5/14 8:44 PM, Kenji Hara wrote: > >> Honestly, "lazy import" (== defer loading module file and running >> semantic analysis for symbol search) would improve compilation speed for >> selective imports and static imports, but it would have no merit for >> basic imports. >> >> So precisely, "all imports lazy would be a net large win." is not correct. >> > > Consider: > > import std.stdio; > void main() { writeln("Hello, world!"); } > > Currently std.stdio and all modules transitively imported by it would be > opened. > > With lazy imports, std.stdio gets opened and then writeln() gets > semantically analyzed. Only modules required by writeln() itself will > actually be opened. Big difference.
Thanks for explanation. Indeed it would be big difference. Kenji Hara
