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only add new_children (marginally faster)

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Jan Petykiewicz 2020-07-12 03:50:32 -07:00
parent a4b5776208
commit 89bd1e6abe
1 changed files with 1 additions and 1 deletions
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masque/pattern.py
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@ -915,7 +915,7 @@ class Pattern:
def get_children(pat: Pattern, memo: Set) -> Set: def get_children(pat: Pattern, memo: Set) -> Set:
children = set(sp.pattern for sp in pat.subpatterns if sp.pattern is not None) children = set(sp.pattern for sp in pat.subpatterns if sp.pattern is not None)
new_children = children - memo new_children = children - memo
memo |= children memo |= new_children
for child_pat in new_children: for child_pat in new_children:
memo |= get_children(child_pat, memo) memo |= get_children(child_pat, memo)