On 26/12/2011 12:51, zhang wrote: <snip> > > The compiler should do this. A package is a directory, and a module just a > > file. > > When importing a package, the compiler will import all the modules in the > > package. > > The user doesn't care about this. > The user may well care if he/she is compiling someone else's project > that imports the whole of some huge library despite using only a little > bit of it, and this greatly increases the time it takes to compile. > Both because of the time it takes to load the modules and because of > having a larger symbol table to look through to resolve symbols as and > when they are used. > Moreover, there may be modules that are intended primarily for a > library's internal use, which would get imported and thereby clutter the > symbol table. > Stewart.
It's just a extended function for compiler to do batch importing. We still can import the modules one bye one, if really caring about the compiling speed. We need another more choice.
