On Mon, Aug 9, 2010 at 4:35 PM, Ryan Culpepper <ry...@ccs.neu.edu> wrote:
> > 2) when (require (for-syntax)) is used - the function was defined in phase >> 0, but is imported into phase 1... would it not handle syntax matching at >> phase 0? >> > > When require for-syntax is used, the module where the literal occurs is at > phase 1, so it only has a binding for the literal at phase 1. (The function > is at phase 0 *relative to its enclosing module*, but it's at "absolute" > phase 1.) Adding the require for-template (relative phase -1) to the > auxiliary module (at phase 1) adds a binding at the right absolute phase, 0. > > Thanks Ryan. I think I more or less get the idea of phase shifting now. It would seem that if I ever define such function at phase 0, adding (require (for-template)) will and should be automatic going forward. Thanks again. yc
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