I can imagine a lot of usecases that benefit from this feature. Let me
list a few here:
- Multi Stage programming: evaluate the phoenix expression to
another language that can
be compiled by some external compiler. The prime example i
imagine for this is that someone
picks that topic up, and writes a shader DSL based on phoenix
reusing the already existing
phoenix constructs.
We already did here using a souped up phoenix like construct. SO being
able to use the real thing(tm) will be even beter
- Optimiziers: With the help of this Actions parameter, it almost
gets trivial to write optimization
passes that work on phoenix expression. I think this is worth
exploring, because a optimizer working
on these high level expression has way more information than for
example the GIMPLE representation
of GCC.
see nt2 SIMD pack optimization for such use case too.
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