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Contents
defmodule Pangram do
@doc """
Determines if a word or sentence is a pangram.
A pangram is a sentence using every letter of the alphabet at least once.
Returns a boolean.
## Examples
iex> Pangram.pangram?("the quick brown fox jumps over the lazy dog")
true
"""
@spec pangram?(String.t()) :: boolean
def pangram?(sentence) do
chars =
sentence
|> String.downcase()
|> to_charlist
Enum.all?(?a..?z, &(&1 in chars))
end
end
Version data entries
131 entries across 131 versions & 1 rubygems