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castforconstfolding

Thisisthefirstpartofcasthandlingforourconstfolding.Unfortunately,Icu

This is the first part of cast handling for our const folding.

Unfortunately, I currently have no way to test this, because I cannot construct

1
Name

s outside of an AST.

该提问来源于开源项目:rust-lang/rust-clippy

I'm currently leaning to removing consts in favor of




1
rustc::middle

's

1
eval_const

function, which is more advanced and works pretty well. The only downside is that




1
eval_const

will do path lookups in any event, and there's nothing we can do about it AFAIK.

what do you think?


   



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