33 lines
536 B
Ruby
33 lines
536 B
Ruby
module Common
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#extracted to resuse
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module Statements
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attr_reader :statements
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def initialize(statements)
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@statements = statements
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end
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def empty?
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@statements.empty?
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end
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def single?
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@statements.length == 1
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end
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def first
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@statements.first
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end
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def last
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@statements.last
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end
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def length
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@statements.length
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end
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def [](i)
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@statements[i]
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end
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def collect(arr)
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@statements.each { |s| s.collect(arr) }
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super
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end
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end
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end
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