Class: Gobstones::Lang::Previo

Inherits:

OneArgExpression

• Object
• Expression
• OneArgExpression
• Gobstones::Lang::Previo

Defined in:

lib/gobstones/lang/expressions/primitive_functions.rb

Instance Attribute Summary

Attributes inherited from OneArgExpression

#argument

Instance Method Summary

• #evaluate(context) ⇒ Object
• #to_s ⇒ Object

Methods inherited from OneArgExpression

#equality_attributes, #initialize, #with_evaluated_argument_in

Methods inherited from Expression

#is_function_call?

Methods included from EqualityDefinition

#==, #equality_attributes

Constructor Details

This class inherits a constructor from Gobstones::Lang::OneArgExpression

Instance Method Details

#evaluate(context) ⇒ Object

# File 'lib/gobstones/lang/expressions/primitive_functions.rb', line 63

def evaluate(context)
  with_evaluated_argument_in(context, &:previous)
end

#to_s ⇒ Object

# File 'lib/gobstones/lang/expressions/primitive_functions.rb', line 67

def to_s
  'previo() expression'
end