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Contents
module SoberSwag
module Nodes
##
# A binary node: has a left and right hand side.
# Basically a node of a binary tree.
class Binary < Base
##
# @param lhs [SoberSwag::Nodes::Base] the left-hand node.
# @param rhs [SoberSwag::Nodes::Base] the right-hand node.
def initialize(lhs, rhs)
@lhs = lhs
@rhs = rhs
end
##
# @return [SoberSwag::Nodes::Base] the left-hand node
attr_reader :lhs
##
# @return [SoberSwag::Nodes::Base] the right-hand node
attr_reader :rhs
##
# Deconstructs into an array of `[lhs, rhs]`
#
# @return [Array(SoberSwag::Nodes::Base, SoberSwag::Nodes::Base)]
def deconstruct
[lhs, rhs]
end
##
# Deconstruct into a hash of attributes.
def deconstruct_keys(_keys)
{ lhs: lhs, rhs: rhs }
end
##
# @see SoberSwag::Nodes::Base#cata
#
# Maps over the LHS side first, then the RHS side, then the root.
def cata(&block)
block.call(
self.class.new(
lhs.cata(&block),
rhs.cata(&block)
)
)
end
##
# @see SoberSwag::Nodes::Base#map
#
# Maps over the LHS side first, then the RHS side, then the root.
def map(&block)
self.class.new(
lhs.map(&block),
rhs.map(&block)
)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems