43 lines
915 B
Ruby
43 lines
915 B
Ruby
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module Unitwise
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module Expression
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class Decomposer
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class << self
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def reset(n = {})
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old = {
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parsers: @parsers,
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transformer: @transformer,
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cache: @cache
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}
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@parsers = n[:parsers]
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@transformer = n[:transformer]
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@cache = n[:cache]
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old
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end
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end
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end
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end
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def self.with_custom_units(unit_list, &block)
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atoms = []
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unit_list.each do |u|
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atom = Unitwise::Atom.new(u)
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atom.validate!
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Unitwise::Atom.all.push(atom)
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atoms.push(atom)
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end
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rem = Unitwise::Expression::Decomposer.send(:reset)
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ret_val = block.call
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atoms.each do |a|
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idx = Unitwise::Atom.all.index { |b| b.equal?(a) }
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Unitwise::Atom.all.delete_at(idx)
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# Unitwise::Atom.all.pop
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end
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Unitwise::Expression::Decomposer.send(:reset, rem)
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ret_val
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end
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end
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