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Support iterators returning lent T (#11938)

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* lent iterators
* rebase tests
* update changelog
* fix comments, more tests
This commit is contained in:
cooldome 2019-08-31 18:23:54 +01:00 • committed by Andreas Rumpf
commit 2b565aad89
7 changed files with 116 additions and 27 deletions
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4
compiler/lowerings.nim
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@ -21,8 +21,8 @@ proc newDeref*(n: PNode): PNode {.inline.} =
proc newTupleAccess*(g: ModuleGraph; tup: PNode, i: int): PNode =
if tup.kind == nkHiddenAddr:
result = newNodeIT(nkHiddenAddr, tup.info, tup.typ.skipTypes(abstractInst+{tyPtr, tyVar}))
result.addSon(newNodeIT(nkBracketExpr, tup.info, tup.typ.skipTypes(abstractInst+{tyPtr, tyVar}).sons[i]))
result = newNodeIT(nkHiddenAddr, tup.info, tup.typ.skipTypes(abstractInst+{tyPtr, tyVar, tyLent}))
result.addSon(newNodeIT(nkBracketExpr, tup.info, tup.typ.skipTypes(abstractInst+{tyPtr, tyVar, tyLent}).sons[i]))
addSon(result[0], tup[0])
var lit = newNodeIT(nkIntLit, tup.info, getSysType(g, tup.info, tyInt))
lit.intVal = i