Sha256: 77db74949399d6e57375a8603cc855f880ac7472c3e80653a7d8436cb562a27b
Contents?: true
Size: 615 Bytes
Versions: 14
Compression:
Stored size: 615 Bytes
Contents
module Gem
List = Struct.new(:value, :tail)
class List
def each
n = self
while n
yield n.value
n = n.tail
end
end
def to_a
ary = []
n = self
while n
ary.unshift n.value
n = n.tail
end
ary
end
def find
n = self
while n
v = n.value
return v if yield(v)
n = n.tail
end
nil
end
def prepend(value)
List.new value, self
end
def self.prepend(list, value)
return List.new(value) unless list
List.new value, list
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems