nl_tokens: Returns a new iterable set that does not have the element at index
pl_tokens: function removeAt ( index ) { return function ( source ) { return __asyncGenerator ( this , arguments , function * ( ) { var e_32 , _a ; let i = 0 ; try { for ( var source_3 = __asyncValues ( source ) , source_3_1 ; source_3_1 = yield __await ( source_3 . next ( ) ) , ! source_3_1 . done ; ) { const item = source_3_1 . value ; if ( i !== index ) { yield yield __await ( <mask> ) ; } i = i + 1 ; } } catch ( e_32_1 ) { e_32 = { error : e_32_1 } ; } finally { try { if ( source_3_1 && ! source_3_1 . done && ( _a = source_3 . return ) ) yield __await ( _a . call ( source_3 ) ) ; } finally { if ( e_32 ) throw e_32 . error ; } } } ) ; } ; }