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Call only last defined function wrapper (Coffee)
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| CallOnceConstructor = -> | |
| cache = {} | |
| (f) -> | |
| cache.f_link?.f = null | |
| f_link = f: f | |
| cache.f_link = f_link | |
| -> f_link.f?.apply null, arguments | |
| # example | |
| # call_last = CallOnceConstructor() | |
| # f1 = call_last(...) | |
| # f2 = call_last(...) | |
| # f3 = call_last(...) | |
| # only f3 will be performed |
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