exists(key) -> boolean

Return True if the key is present in the trie. Same as using the ‘in’ keyword.

Examples

>>> import ahocorasick
>>> A = ahocorasick.Automaton()
>>> A.add_word("cat", 1)
True
>>> A.exists("cat")
True
>>> A.exists("dog")
False
>>> 'elephant' in A
False
>>> 'cat' in A
True