var |>GLOBAL:MyLib<| = new function |>METHOD,UNUSED:MyLib<|() {
    var |>LOCAL_VARIABLE_DECLARATION:_myLib<| = this;
 
    var |>LOCAL_VARIABLE_DECLARATION:TRUE<|   = !0,
        |>LOCAL_VARIABLE_DECLARATION:FALSE<|  = !1;
 
    |>LOCAL_VARIABLE:_myLib<|.|>METHOD:in<| = _myLib_in; 
    
    function |>METHOD:_myLib_in<|(item, container) {
        if( _myLib_isArray(container) || _myLib_isStr(container) )
            return _myLib_indexOf(container, item) >= 0;
        
        for( var |>LOCAL_VARIABLE_DECLARATION:key<| in container ) {
            if( container[|>LOCAL_VARIABLE:key<|] === item )
                return |>LOCAL_VARIABLE:TRUE<|;
        }
        
        return |>LOCAL_VARIABLE:FALSE<|;
    }
       
};