Class: Cadenza::ConstantNode

Inherits:

Object

• Object
• Cadenza::ConstantNode

Defined in:

lib/cadenza/nodes/constant_node.rb

Overview

The ConstantNode holds a value which is not affected by any context given to it, such as numbers or strings.

Instance Attribute Summary

• #value ⇒ Object

  The value of this node.

Instance Method Summary

• #==(rhs) ⇒ Boolean

  If this node and the given one are equivalent by value.

• #eval(context) ⇒ Object

  The value of this node evaluated in the given context.

• #implied_globals ⇒ Array

  Any global variable applied to this node (none).

• #initialize(value) ⇒ ConstantNode constructor

  constructs a new ConstantNode with the given value.

Constructor Details

#initialize(value) ⇒ ConstantNode

constructs a new Cadenza::ConstantNode with the given value.

# File 'lib/cadenza/nodes/constant_node.rb', line 10

def initialize(value)
   @value = value
end

Instance Attribute Details

#value ⇒ Object

# File 'lib/cadenza/nodes/constant_node.rb', line 6

def value
  @value
end

Instance Method Details

#==(rhs) ⇒ Boolean

# File 'lib/cadenza/nodes/constant_node.rb', line 27

def ==(rhs)
   @value == rhs.value
end

#eval(context) ⇒ Object

# File 'lib/cadenza/nodes/constant_node.rb', line 21

def eval(context)
   @value
end

#implied_globals ⇒ Array

# File 'lib/cadenza/nodes/constant_node.rb', line 15

def implied_globals
   []
end