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Module: RuboCop::AST::ParameterizedNode::RestArguments

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In:
::RuboCop::AST::CsendNode, ::RuboCop::AST::IndexNode, ::RuboCop::AST::IndexasgnNode, ::RuboCop::AST::LambdaNode, ::RuboCop::AST::SendNode
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
self, ::RuboCop::AST::ParameterizedNode
Defined in: lib/rubocop/ast/node/mixin/parameterized_node.rb

Overview

A specialized ::RuboCop::AST::ParameterizedNode. Requires implementing first_argument_index Implements #arguments as children[first_argument_index..-1] and optimizes other calls

Constant Summary

Instance Attribute Summary

::RuboCop::AST::ParameterizedNode - Included

#arguments?

Checks whether this node has any arguments.
#block_argument?

Whether the last argument of the node is a block pass, i.e.
#parenthesized?

Checks whether this node’s arguments are wrapped in parentheses.
#rest_argument?

Alias for #splat_argument?.
#splat_argument?

Checks whether any argument of the node is a splat argument, i.e.

Instance Method Summary

::RuboCop::AST::ParameterizedNode - Included

#first_argument

A shorthand for getting the first argument of the node.
#last_argument

A shorthand for getting the last argument of the node.

Instance Attribute Details

#arguments ⇒ Array<Node> (readonly)

Returns:

  • (Array<Node>) —

    arguments, if any

[ GitHub ] 

  


# File 'lib/rubocop/ast/node/mixin/parameterized_node.rb', line 89



def arguments
  if arguments?
    children.drop(first_argument_index).freeze
  else
    # Skip unneeded Array allocation.
    EMPTY_ARGUMENTS
  end
end


  








  

    #arguments?  ⇒ Boolean  (readonly)
  



  

    


Checks whether this node has any arguments.



  





  
Returns:


    
  
  • 
    (Boolean)
—    
    

    whether this node has any arguments
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node/mixin/parameterized_node.rb', line 119



def arguments?
  children.size > first_argument_index
end


  







Instance Method Details



  

    #first_argument  ⇒ Node? 
  



  

    


A shorthand for getting the first argument of the node.
Equivalent to arguments.first.



  





  
Returns:


    
  
  • 
    (Node, nil)
—    
    

    the first argument of the node,
or nil if there are no arguments
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node/mixin/parameterized_node.rb', line 103



def first_argument
  children[first_argument_index]
end


  








  

    #last_argument  ⇒ Node? 
  



  

    


A shorthand for getting the last argument of the node.
Equivalent to arguments.last.



  





  
Returns:


    
  
  • 
    (Node, nil)
—    
    

    the last argument of the node,
or nil if there are no arguments
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/rubocop/ast/node/mixin/parameterized_node.rb', line 112



def last_argument
  children[-1] if arguments?
end