class Resource1 def dispose @disposed = true end def disposed? @disposed end end module Kernel def using1(resource) begin yield ensure resource.dispose end end end r = Resource1.new using1(r) {} puts r.disposed? r1 = Resource1.new begin using1(r1) {raise Exception} rescue Exception end puts r1.disposed?
Ruby Version of C# using keyword
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转载自caerun.iteye.com/blog/2314936
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