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fixes #3305; error message will improve with later improvements for concepts

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Araq 2015-09-18 01:50:28 +02:00
commit 1c0b815282
1 changed files with 3 additions and 0 deletions
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compiler/sigmatch.nim
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@ -511,6 +511,9 @@ proc typeRangeRel(f, a: PType): TTypeRelation {.noinline.} =
proc matchUserTypeClass*(c: PContext, m: var TCandidate, proc matchUserTypeClass*(c: PContext, m: var TCandidate,
ff, a: PType): TTypeRelation = ff, a: PType): TTypeRelation =
var body = ff.skipTypes({tyUserTypeClassInst}) var body = ff.skipTypes({tyUserTypeClassInst})
if c.inTypeClass > 20:
localError(body.n[3].info, $body.n[3] & " too nested for type matching")
return isNone
openScope(c) openScope(c)
inc c.inTypeClass inc c.inTypeClass