Class: Rjq::AST::Optional

Inherits:

Node

• Object
• Node
• Rjq::AST::Optional

Defined in:

lib/rjq/ast.rb

Instance Attribute Summary

• #node ⇒ Object readonly

  Returns the value of attribute node.

Attributes inherited from Node

#source_span

Instance Method Summary

• #eval(input, context) ⇒ Object
• #initialize(node) ⇒ Optional constructor

  A new instance of Optional.

Methods inherited from Node

#assign_value, #invalid_path_message, #paths, #take, #with_source_span

Constructor Details

#initialize(node) ⇒ Optional

Returns a new instance of Optional.

# File 'lib/rjq/ast.rb', line 616

def initialize(node)
  @node = node
end

Instance Attribute Details

#node ⇒ Object (readonly)

Returns the value of attribute node.

# File 'lib/rjq/ast.rb', line 614

def node
  @node
end

Instance Method Details

#eval(input, context) ⇒ Object

# File 'lib/rjq/ast.rb', line 620

def eval(input, context)
  @node.eval(input, context)
rescue Rjq::RuntimeError
  []
end