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I thunk, therefore I am

Sunday, June 21, 2009

Every once in a while I'm humbled to find that there's a word, in computer science, for something fairly common, that I've never heard of before. Today's word? Thunk.

According to Wikipedia, "thunk" may refer to:
  • a piece of code to perform a delayed computation (similar to a closure)
  • a feature of some virtual function table implementations (similar to a wrapper function)
  • a mapping of machine data from one system-specific form to another, usually for compatibility reasons
The original paper on thunks was P.Z. Ingerman's somewhat inscrutable (to me, at least) piece in Communications of the ACM, Vol. 4, No. 1 (1961).

I am, as I say, humbled to find that I did not know the term thunk. All this time, I thought it was the past tense of think.

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