3247c2036c
when iterating over tree. Much cleaner, less hokuspukus methods that are noops Mom is coming back out, but not linked yet
36 lines
557 B
Ruby
36 lines
557 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 <<(o)
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@statements << o
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self
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end
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def add_array(a)
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@statements += a
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end
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end
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end
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