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-rw-r--r--python/src/sa/sym.pxi3
1 files changed, 3 insertions, 0 deletions
diff --git a/python/src/sa/sym.pxi b/python/src/sa/sym.pxi
index 81f19ef1..f253aec0 100644
--- a/python/src/sa/sym.pxi
+++ b/python/src/sa/sym.pxi
@@ -104,6 +104,9 @@ cdef int sym_setindex(int sym, int id):
cdef int sym_fromstring(char* string, bint terminal):
return ALPHABET.fromstring(string, terminal)
+def isvar(sym):
+ return sym_isvar(sym)
+
def make_lattice(words):
word_ids = (sym_fromstring(word, True) for word in words)
return tuple(((word, None, 1), ) for word in word_ids)