HH\Lib\Vec\map

This API is part of the Hack Standard Library, not HHVM itself.
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This function is available as Vec\map() in Facebook's www repository.

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

Description

namespace HH\Lib\Vec;

function map<Tv1, Tv2>(
  Traversable<Tv1> $traversable,
  (function(Tv1):Tv2) $value_func,
): vec<Tv2>;

For async functions, see Vec\map_async().

Parameters