23 lines
		
	
	
		
			525 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			525 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: strict
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| # frozen_string_literal: true
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| 
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| module Attrable
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|   sig { params(attrs: Symbol).void }
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|   def attr_predicate(*attrs)
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|     attrs.each do |attr|
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|       define_method attr do
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|         instance_variable_get("@#{attr.to_s.sub(/\?$/, "")}") == true
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|       end
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|     end
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|   end
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| 
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|   sig { params(attrs: Symbol).void }
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|   def attr_rw(*attrs)
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|     attrs.each do |attr|
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|       define_method attr do |val = nil|
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|         val.nil? ? instance_variable_get(:"@#{attr}") : instance_variable_set(:"@#{attr}", val)
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|       end
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|     end
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|   end
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| end
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