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Contents
module Fear
class Left
include Either
include RightBiased::Left
# @return [false]
def right?
false
end
alias success? right?
# @return [true]
def left?
true
end
alias failure? left?
# @return [Either]
def select_or_else(*)
self
end
# @return [Left]
def select
self
end
# @return [Left]
def reject
self
end
# @return [Right] value in `Right`
def swap
Right.new(value)
end
# @param reduce_left [Proc]
# @return [any]
def reduce(reduce_left, _)
reduce_left.call(value)
end
# @return [self]
def join_right
self
end
# @return [Either]
# @raise [TypeError]
def join_left
value.tap do |v|
Utils.assert_type!(v, Either)
end
end
# Used in case statement
# @param other [any]
# @return [Boolean]
def ===(other)
if other.is_a?(Left)
value === other.value
else
super
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems