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declaredlocs followup: handle cannot instantiate errors (#17745)

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Timothee Cour 2021-04-18 15:03:24 -07:00 • committed by GitHub
commit d6c8efa5d4
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1 changed files with 3 additions and 3 deletions
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compiler/semtypes.nim
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@ -1463,9 +1463,9 @@ proc semGeneric(c: PContext, n: PNode, s: PSym, prev: PType): PType =
matches(c, n, copyTree(n), m) matches(c, n, copyTree(n), m)
if m.state != csMatch: if m.state != csMatch:
let err = "cannot instantiate " & typeToString(t) & "\n" & var err = "cannot instantiate "
"got: <" & describeArgs(c, n) & ">\n" & err.addTypeHeader(c.config, t)
"but expected: <" & describeArgs(c, t.n, 0) & ">" err.add "\ngot: <$1>\nbut expected: <$2>" % [describeArgs(c, n), describeArgs(c, t.n, 0)]
localError(c.config, n.info, errGenerated, err) localError(c.config, n.info, errGenerated, err)
return newOrPrevType(tyError, prev, c) return newOrPrevType(tyError, prev, c)