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Tuple unpacking now works for for vars (#10152)

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* Tuple unpacking now works for `for` vars
* Give error if length of tuple vars != length of tuple
* Fix error message showing wrong tuple length
* unpacking now works now for mutable items
* Update changelog
This commit is contained in:
Neelesh Chandola 2019-02-23 18:31:34 +05:30 • committed by Andreas Rumpf
commit 9884129058
7 changed files with 156 additions and 45 deletions
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compiler/ccgexprs.nim
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@ -752,7 +752,7 @@ proc genTupleElem(p: BProc, e: PNode, d: var TLoc) =
a: TLoc
i: int
initLocExpr(p, e.sons[0], a)
let tupType = a.t.skipTypes(abstractInst)
let tupType = a.t.skipTypes(abstractInst+{tyVar})
assert tupType.kind == tyTuple
d.inheritLocation(a)
discard getTypeDesc(p.module, a.t) # fill the record's fields.loc