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properly thread functors whose first subterm is a variable in thread_goals/4

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Mark Thom
2021-01-30 23:37:23 -07:00
parent a239007db0
commit c2e3b47d29
1 changed files with 1 additions and 1 deletions
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2
src/loader.pl
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@@ -421,7 +421,7 @@ thread_goals(Goals0, Goals1, Functor) :-
thread_goals(Goals0, Goals1, Hole, Functor) :-
( var(Goals0) ->
Goals0 = Goals1
Goals1 =.. [Functor, Goals0, Hole]
; ( Goals0 = [G | Gs] ->
( Gs == [] ->
Goals1 =.. [Functor, G, Hole]