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Contents
defmodule ISBNVerifier do
@doc """
Checks if a string is a valid ISBN-10 identifier
## Examples
iex> ISBNVerifier.isbn?("3-598-21507-X")
true
iex> ISBNVerifier.isbn?("3-598-2K507-0")
false
"""
@spec isbn?(String.t()) :: boolean
def isbn?(isbn) do
end
end
Version data entries
69 entries across 69 versions & 1 rubygems