File: flat.doc

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\DOC flat

\TYPE {flat : (* list list -> * list)}

\SYNOPSIS
Flattens a list of lists into one long list.

\KEYWORDS
list.

\DESCRIBE
{flat [l1;...;ln]} returns {(l1 @ ... @ ln)} where each li is a list and {@}
is list concatenation.

\FAILURE
Never fails.

\EXAMPLE
{
#flat [[1;2];[3;4;5];[6]];;
[1; 2; 3; 4; 5; 6] : int list
}
\ENDDOC