Name Rascal/Libraries/Prelude/List/reducer

Synopsis Apply a function to successive elements of list and combine the results (deprecated).

Function &T reducer(list[&T] lst, &T (&T, &T) fn, &T unit)

Usage import List;

Description Apply the function fn to successive elements of list lst starting with unit.

Examples

rascal>import List;
ok
rascal>int add(int x, int y) { return x + y; }
int (int, int): int add(int, int);
rascal>reducer([10, 20, 30, 40], add, 0); 
int: 100

Pitfalls This function is deprecated, use a Reducer instead.

[Edit] | [New Subconcept] | [Recompile Course] | [Warnings]