RosettaCodeData/Task/Pangram-checker/Crystal/pangram-checker.crystal
2020-02-17 23:21:07 -08:00

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171 B
Text

def pangram?(sentence)
('a'..'z').all? {|c| sentence.downcase.includes?(c) }
end
p pangram?("not a pangram")
p pangram?("The quick brown fox jumps over the lazy dog.")