nl_tokens: Set
pl_tokens: function Set ( iter , options ) { if ( ! ( this instanceof <mask> ) ) return new Set ( iter , options ) ; this . _o = { } ; this . length = 0 ; // parse options if ( options ) { this . byValue = options . byValue || false ; // for objects to use values instead of keys } // construct set if ( iter ) { if ( iter . constructor === Array ) { this . _arr_construct ( iter ) } else if ( iter . constructor === Object ) { this . _obj_construct ( iter ) ; } else { throw new errors . InvalidParametersError ( "Invalid Object" ) ; } } }