Sha256: ca8be0418bf1fca754cf0deb7a34f3016f95669758d224dfe4a581369ecb9371
Contents?: true
Size: 651 Bytes
Versions: 239
Compression:
Stored size: 651 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
239 entries across 239 versions & 1 rubygems