Class Lisp::Format::Parameters::Parameter
In: lib/facet/lisp-format.rb
Parent: Object

Base class from which the sub-classes get their behavior. Every parameter should sub-class from this class.

Methods

new   value  

Attributes

pos  [R]  Position in the input format that this parameter was found.

Public Class methods

new(pos, value = nil)

Create a parameter, found at pos in the input format, and with value as its value - if it has one.

Public Instance methods

value(state, default)

Retrieve this parameters value in the given State, using default if it is not defined.

[Validate]