Sha256: 2ade33a85427ca1f4c0f84e51d267f496874013d1d791eeeaed9a4439ff9d40e
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Size: 526 Bytes
Versions: 11
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Stored size: 526 Bytes
Contents
# encoding: utf-8
module Antelope
module Ace
class Token
# Defines an epsilon token. An epsilon token represents
# nothing. This is used to say that a nonterminal can
# reduce to nothing.
class Epsilon < Token
# Initialize. Technically takes no arguments. Sets
# the name of the token to be `:$empty`.
def initialize(*)
super :"$empty"
end
# (see Token#epsilon?)
def epsilon?
true
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems