HH\Lib\Dict\from_entries
Requires the Hack Standard Library to be installed.
Facebook Engineer?
This function is available as Dict\from_entries()
in Facebook's www repository.
Returns a new dict where each mapping is defined by the given key/value tuples
namespace HH\Lib\Dict;
function from_entries<Tk as arraykey, Tv>(
Traversable<(Tk, Tv)> $entries,
): dict<Tk, Tv>;
In the case of duplicate keys, later values will overwrite the previous ones.
- To create a dict from keys, see
Dict\from_keys()
. - To create a dict from values, see
Dict\from_values()
.
Also known as unzip
or fromItems
in other implementations.
Time complexity: O(n) Space complexity: O(n)
Parameters
Returns
dict<Tk, Tv>