Sha256: f55548223f85fd9efefe832e6805b19f51527444a150255a75b28d7de89d30d0
Contents?: true
Size: 443 Bytes
Versions: 6943
Compression:
Stored size: 443 Bytes
Contents
# frozen_string_literal: true
module Parser
class VariablesStack
def initialize
@stack = []
push
end
def empty?
@stack.empty?
end
def push
@stack << Set.new
end
def pop
@stack.pop
end
def reset
@stack.clear
end
def declare(name)
@stack.last << name.to_sym
end
def declared?(name)
@stack.last.include?(name.to_sym)
end
end
end
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