chore: add issue 297 examples

The stack overflow reported on this issue has already been fixed.

closes #297
This commit is contained in:
Leonardo de Moura 2021-01-26 08:06:43 -08:00
parent 1cfc4cecc1
commit 9d0edab6c3
2 changed files with 20 additions and 0 deletions

2
tests/lean/297.lean Normal file
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@ -0,0 +1,2 @@
theorem r:0:=do
0if 0then 0

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297.lean:1:10-1:11: error: typeclass instance problem contains metavariables
OfNat (Sort ?u) 0
297.lean:2:0-2:1: error: failed to synthesize instance
OfNat (Id PUnit) 0
297.lean:2:4-2:5: error: failed to synthesize instance
OfNat Prop 0
297.lean:2:10-2:11: error: failed to synthesize instance
OfNat (Id 0) 0
297.lean:1:10-1:11: error: failed to synthesize instance
OfNat (Type ?u) 0
297.lean:2:1-2:11: error: application type mismatch
pure PUnit.unit
argument
PUnit.unit
has type
PUnit
but is expected to have type
0