nl_tokens: Reduce the items in an iterable down to a single instance of initial type returning the final result result of the reduction
pl_tokens: function reduce ( predicate , initial ) { return async function ( iterable ) { var e_6 , _a ; let index = 0 ; let prevState = initial ; try { for ( var iterable_4 = __asyncValues ( iterable ) , iterable_4_1 ; iterable_4_1 = await iterable_4 . next ( ) , ! iterable_4_1 . done ; ) { const value = iterable_4_1 . value ; prevState = await predicate ( prevState , value , index ) ; index = index + 1 ; } } catch ( e_6_1 ) { e_6 = { error : e_6_1 } ; } finally { <mask> { if ( iterable_4_1 && ! iterable_4_1 . done && ( _a = iterable_4 . return ) ) await _a . call ( iterable_4 ) ; } finally { if ( e_6 ) throw e_6 . error ; } } return prevState ; } ; }