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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | \DOC partition
\TYPE {partition : ((* -> bool) -> * list -> (* list # * list))}
\SYNOPSIS
Separates a list into two lists using a predicate.
\DESCRIBE
{partition p l} returns a pair of lists. The first list contains the elements
which satisfy {p}. The second list contains all the other elements.
\FAILURE
Never fails.
\EXAMPLE
{
#partition (\x. x + x = x * x) [1;2;3;4;5];;
([2], [1; 3; 4; 5]) : (int list # int list)
}
\SEEALSO
chop_list, remove, filter.
\ENDDOC
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