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Fixed type inference for 'set` and 'tuple' (#18827)

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* improved built in typeclass inference

* Smarter logic to fit node

* Forgot the untyped check
This commit is contained in:
Jason Beetham 2021-09-11 05:05:53 -06:00 • committed by GitHub
commit 66e53bdd7b
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2 changed files with 24 additions and 1 deletions
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compiler/sem.nim
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@ -77,7 +77,8 @@ template semIdeForTemplateOrGeneric(c: PContext; n: PNode;
proc fitNodePostMatch(c: PContext, formal: PType, arg: PNode): PNode =
let x = arg.skipConv
if x.kind in {nkPar, nkTupleConstr, nkCurly} and formal.kind != tyUntyped:
if (x.kind == nkCurly and formal.kind == tySet and formal.base.kind != tyGenericParam) or
(x.kind in {nkPar, nkTupleConstr}) and formal.kind notin {tyUntyped, tyBuiltInTypeClass}:
changeType(c, x, formal, check=true)
result = arg
result = skipHiddenSubConv(result, c.graph, c.idgen)