Class: BELParser::Script::FirstNode

Inherits:
Object
  • Object
show all
Defined in:
lib/bel_parser/script/first_node.rb

Overview

FirstNode will return the first node from the set of AST nodes provided.

Instance Method Summary collapse

Constructor Details

#initialize(ast_enum) ⇒ FirstNode

Returns a new instance of FirstNode.



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# File 'lib/bel_parser/script/first_node.rb', line 6

def initialize(ast_enum)
  @ast_enum = ast_enum
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/bel_parser/script/first_node.rb', line 10

def each
  if block_given?
    @ast_enum.each do |(line_number, line, ast_nodes)|
      yield [line_number, line, ast_nodes.first]
    end
  else
    enum_for(:each)
  end
end