Sha256: ed78f858e3835ba0fb7a432d87c51ef2dff684bc99dd1e5542fb500390cf23d2
Contents?: true
Size: 410 Bytes
Versions: 7
Compression:
Stored size: 410 Bytes
Contents
class Array # # Returns the _only_ element in the array. Raises an IndexError if # the array's size is not 1. # # [5].only # -> 5 # [1,2,3].only # -> IndexError # [].only # -> IndexError # # CREDIT Noah Gibbs # CREDIT Gavin Sinclair def only unless size == 1 raise IndexError, "Array#only called on non-single-element array" end first end end
Version data entries
7 entries across 7 versions & 1 rubygems