Sha256: 76f3f817cfb1549469c3abc2d70c697aea39c06f7025cd75dab2a0eed12702ec
Contents?: true
Size: 673 Bytes
Versions: 84
Compression:
Stored size: 673 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 pretty_print q # :nodoc:
q.pp to_a
end
def self.prepend(list, value)
return List.new(value) unless list
List.new value, list
end
end
end
Version data entries
84 entries across 56 versions & 4 rubygems