nl_tokens: Take everything but the last N items in an iterable sequence
pl_tokens: function skipLast ( count ) { return function ( iterable ) { return __asyncGenerator ( this , arguments , function * ( ) { var e_11 , _a ; const buffer = [ ] ; try { for ( var iterable_9 = __asyncValues ( iterable ) , iterable_9_1 ; iterable_9_1 = yield __await ( iterable_9 . next ( ) ) , ! iterable_9_1 . done ; ) { const item = iterable_9_1 . value ; buffer . push ( item ) ; } } catch ( e_11_1 ) { e_11 = { error : e_11_1 } ; } finally { <mask> { if ( iterable_9_1 && ! iterable_9_1 . done && ( _a = iterable_9 . return ) ) yield __await ( _a . call ( iterable_9 ) ) ; } finally { if ( e_11 ) throw e_11 . error ; } } if ( buffer . length < count ) { return yield __await ( void 0 ) ; } yield __await ( yield * __asyncDelegator ( __asyncValues ( buffer . slice ( 0 , buffer . length - count ) ) ) ) ; } ) ; } ; }