On 9 Dec 2012, at 16:31, Doug McIlroy wrote:
> In fact the FP community came late to some of these, just as
> programming languages at large came late to garbage collection.
>
> Lazy evaluation--at the heart of spreadsheets since the beginning.
Lazy evaluation for the lambda calculus - 1971 (Wadsworth)
Lazy evaluation in a programming language - 1976 (Henderson&Morris,
Friedman&Wise)
I wouldn't call those dates late, especially since VisiCalc, the first
widely-used electronic spreadsheet entered the market in 1978.
Regards,
Malcolm
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