fixes #24720; std lib iterators unnecessarily require value copies#24723
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ringabout wants to merge 9 commits into
Closed
fixes #24720; std lib iterators unnecessarily require value copies#24723ringabout wants to merge 9 commits into
ringabout wants to merge 9 commits into
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succeeded by #25783 |
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fixes #24720
It seems that Nim lacks something like
derefsin Nimony. i.e. it cannot handle tuple types containing view types: e.g.(lent T, lent T). So I fix the types forforVarsin sem phases to have the(T, T)type. And in transf for inline iterators, it derefs the internal field: i.e.let tmpAsgn = rhs; var lhs = (deref tmpAsgn[0], deref tmpAsgn[1])