HH\Lib\Vec\map_with_key

Requires the Hack Standard Library to be installed.

Returns a new vec where each value is the result of calling the given function on the original key and value

namespace HH\Lib\Vec;

function map_with_key<Tk, Tv1, Tv2>(
    KeyedTraversable<Tk, Tv1> $traversable,
  (function(Tk,Tv1):Tv2) $value_func,
): vec<Tv2>;

Parameters