Class: Pione::Lang::SpecialFeature

Inherits:

FeaturePiece

• Object
• StructX
• Piece
• FeaturePiece
• Pione::Lang::SpecialFeature

Defined in:

lib/pione/lang/feature-expr.rb

Overview

SpecialFeature is a class for empty feature and boundless feature.

Direct Known Subclasses

AlmightyFeature, EmptyFeature

Class Method Summary

• .symbol(sym = nil) ⇒ Object

Instance Method Summary

• #==(other) ⇒ Object (also: #eql?)
• #textize ⇒ Object

Methods inherited from FeaturePiece

feature_type

Methods inherited from Piece

#eval, piece_type_name

Methods included from Util::Positionable

#line_and_column, #pos, #set_source_position

Class Method Details

.symbol(sym = nil) ⇒ Object

# File 'lib/pione/lang/feature-expr.rb', line 25

def symbol(sym=nil)
  sym ? @symbol = sym : sym
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql?

# File 'lib/pione/lang/feature-expr.rb', line 37

def ==(other)
 other.kind_of?(self.class) and symbol == other.symbol
end

#textize ⇒ Object

# File 'lib/pione/lang/feature-expr.rb', line 33

def textize
  symbol
end