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Contents
require 'forwardable'
module Rley # This module is used as a namespace
module Syntax # This module is used as a namespace
# A symbol sequence is a suite of grammar symbols
class SymbolSeq
extend Forwardable
def_delegators :@members, :empty?, :size, :[], :each, :find, :map
# The sequence of symbols
attr_reader(:members)
def initialize(theSymbols)
@members = theSymbols.dup
end
# Equality operator.
def ==(other)
return true if other.object_id == object_id
case other
when SymbolSeq then result = other.members == members
when Array then result = other == members
else
msg = "Cannot compare a SymbolSeq with a #{other.class}"
raise StandardError, msg
end
return result
end
end # class
end # module
end # module
# End of file
Version data entries
28 entries across 28 versions & 1 rubygems