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[ fix #3143 ] traverse as-patterns when constructing terms matching an impossible LHS #3146

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Nov 23, 2023
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[ fix #3143 ] traverse as-patterns when constructing terms matching an impossible LHS #3146

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724903c
[ fix #3143 ] traverse as-patterns in `getImpossibleTerm`
mjustus Nov 20, 2023
2187499
[ test ] impossible as-pattern
mjustus Nov 20, 2023
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2 changes: 2 additions & 0 deletions src/TTImp/Impossible.idr
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,8 @@ mutual
Core ClosedTerm
mkTerm (IVar fc n) mty exps autos named
= buildApp fc n mty exps autos named
mkTerm (IAs fc fc' u n pat) mty exps autos named
= mkTerm pat mty exps autos named
mkTerm (IApp fc fn arg) mty exps autos named
= mkTerm fn mty (arg :: exps) autos named
mkTerm (IAutoApp fc fn arg) mty exps autos named
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5 changes: 5 additions & 0 deletions tests/idris2/coverage/coverage020/Issue3143.idr
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@@ -0,0 +1,5 @@
import Data.Nat

failing "f is not covering."
f : {n : Nat} -> LT n n -> Void
f x@LTEZero impossible
1 change: 1 addition & 0 deletions tests/idris2/coverage/coverage020/expected
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@@ -0,0 +1 @@
1/1: Building Issue3143 (Issue3143.idr)
3 changes: 3 additions & 0 deletions tests/idris2/coverage/coverage020/run
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@@ -0,0 +1,3 @@
. ../../../testutils.sh

check Issue3143.idr
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