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Contents
# frozen_string_literal: true
module RuboCop
module AST
# A node extension for `in` nodes. This will be used in place of a plain
# node when the builder constructs the AST, making its methods available
# to all `in` nodes within RuboCop.
class InPatternNode < Node
# Returns a node of the pattern in the `in` branch.
#
# @return [Node] a pattern node
def pattern
node_parts.first
end
# Returns the index of the `in` branch within the `case` statement.
#
# @return [Integer] the index of the `in` branch
def branch_index
parent.in_pattern_branches.index(self)
end
# Checks whether the `in` node has a `then` keyword.
#
# @return [Boolean] whether the `in` node has a `then` keyword
def then?
loc.begin&.is?('then')
end
# Returns the body of the `in` node.
#
# @return [Node, nil] the body of the `in` node
def body
node_parts[-1]
end
end
end
end
Version data entries
165 entries across 159 versions & 21 rubygems