ACE3/addons/common/functions/fnc_hashSet.sqf

//fnc_hashSet.sqf
#include "script_component.hpp"

private ["_index"];
// diag_log text format["%1 HASH SET: %2", diag_tickTime, _this];

PARAMS_3(_hash,_key,_val);

ERRORDATA(3);
try {
    if(VALIDHASH(_hash)) then {
        _index = (_hash select 0) find _key;
        if(_index == -1) then {
            _index = (_hash select 0) find "ACREHASHREMOVEDONOTUSETHISVAL";
            if(_index == -1) then {
                _index = (count (_hash select 0));
            };
            (_hash select 0) set[_index, _key];
        };
        (_hash select 1) set[_index, _val];
    } else {
        ERROR("Input hash is not valid");
    };
} catch {
    HANDLECATCH;
};