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improve error message, closes #2361 (#9387)

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* improve error message

* use single % operation
This commit is contained in:
Miran 2018-10-17 00:18:51 +02:00 • committed by Andreas Rumpf
commit e8cf289bee
1 changed files with 3 additions and 2 deletions
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5
compiler/lambdalifting.nim
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@ -277,8 +277,9 @@ proc freshVarForClosureIter*(g: ModuleGraph; s, owner: PSym): PNode =
proc markAsClosure(g: ModuleGraph; owner: PSym; n: PNode) =
let s = n.sym
if illegalCapture(s):
localError(g.config, n.info, "illegal capture '$1' of type <$2> which is declared here: $3" %
[s.name.s, typeToString(s.typ), g.config$s.info])
localError(g.config, n.info,
("'$1' is of type <$2> which cannot be captured as it would violate memory" &
" safety, declared here: $3") % [s.name.s, typeToString(s.typ), g.config$s.info])
elif owner.typ.callConv notin {ccClosure, ccDefault}:
localError(g.config, n.info, "illegal capture '$1' because '$2' has the calling convention: <$3>" %
[s.name.s, owner.name.s, CallingConvToStr[owner.typ.callConv]])