Sha256: c25cf0e330aac3c61c708a84946d2aa3c4abb3afafc18283c9326f83c3184d5f
Contents?: true
Size: 416 Bytes
Versions: 368
Compression:
Stored size: 416 Bytes
Contents
module BookKeeping
VERSION = 3
end
class Binary
def self.to_decimal binary
fail ArgumentError.new("invalid binary input #{binary}") if invalid?(binary)
digits(binary).reduce(0, &method(:convert))
end
private
def self.invalid?(binary)
binary =~ /[^01]/
end
def self.digits(binary)
binary.chars.map(&:to_i)
end
def self.convert(decimal, digit)
decimal * 2 + digit
end
end
Version data entries
368 entries across 368 versions & 1 rubygems