Sha256: 1472a0afb813d716e61b73892523b6d5033394745a54febe9d7ba4cb8e7f635a
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Size: 649 Bytes
Versions: 148
Compression:
Stored size: 649 Bytes
Contents
module BookKeeping
VERSION=2
end
class Anagram
attr_reader :subject
def initialize(word)
@subject = AnagramSubject.new(word)
end
def match(candidates)
candidates.select do |candidate|
subject.anagram_of? candidate
end
end
end
class AnagramSubject
attr_reader :subject
def initialize(subject)
@subject = subject
end
def anagram_of?(word)
!duplicate?(word) && fingerprint == canonicalize(word)
end
def duplicate?(word)
word.downcase == subject.downcase
end
def canonicalize(word)
word.downcase.chars.sort
end
def fingerprint
@fingerprint ||= canonicalize(subject)
end
end
Version data entries
148 entries across 148 versions & 1 rubygems