fusion

<programming>

A program transformation where a composition of two functions is replaced by in-lining them and combining their bodies. E.g. 

 f x = g (h x)	==>	f x = g (2 * x)
 g x = x + 1	 f x = 2 * x + 1
 h x = 2 * x
This has the beneficial effect of reducing the number of function calls. It can be especially useful where the intermediate result is a large data structure which can be eliminated.

See also vertical loop combination.

Last updated: 1994-12-05

Nearby terms:

furrfu ♦ FUSE ♦ FUSION ♦ fusion ♦ FutureBasic ♦ future date testing ♦ futz

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