Sha256: e8c47ccf340fa74140617951ef2026ce2335385b05b55d500ff1af2a25f111ec
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Size: 488 Bytes
Versions: 8
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Stored size: 488 Bytes
Contents
module Mutest
# Utility methods
module Util
# Error raised by `Util.one` if size is less than zero or greater than one
SizeError = Class.new(IndexError)
# Return only element in array if it contains exactly one member
#
# @param array [Array]
#
# @return [Object] first entry
def self.one(array)
return array.first if array.one?
fail SizeError, "expected size to be exactly 1 but size was #{array.size}"
end
end # Util
end # Mutest
Version data entries
8 entries across 8 versions & 1 rubygems