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Contents
module SoberSwag
module Nodes
##
# A List of the contained element types.
#
# Unlike {SoberSwag::Nodes::Array}, this actually models arrays.
# The other one is a node that *is* an array in terms of what it contains.
# Kinda confusing, but oh well.
#
# @todo swap the names of this and {SoberSwag::Nodes::Array} so it's less confusing.
class List < Base
##
# Initialize with a node representing the type of elements in the list.
# @param element [SoberSwag::Nodes::Base] the type
def initialize(element)
@element = element
end
##
# @return [SoberSwag::Nodes::Base]
attr_reader :element
##
# @return [Array(SoberSwag::Nodes::Base)]
def deconstruct
[element]
end
##
# @return [Hash{Symbol => SoberSwag::Nodes::Base}]
# the contained type wrapped in an `element:` key.
def deconstruct_keys(_)
{ element: element }
end
##
# @see SoberSwag::Nodes::Base#cata
#
# Maps over the element type, then this `List` type.
def cata(&block)
block.call(
self.class.new(
element.cata(&block)
)
)
end
##
# @see SoberSwag::Nodes::Base#map
#
# Maps over the element type.
def map(&block)
self.class.new(
element.map(&block)
)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems