nl_tokens: Skip items in an iterable until the passed predicate matches then yioeld all items in the iterable
pl_tokens: function skipUntil ( predicate ) { return function * ( iterable ) { let i = 0 ; let canReturn = <mask> ; for ( const item of iterable ) { if ( ! canReturn ) { canReturn = predicate ( item , i ) ; if ( canReturn ) { yield item ; } i = i + 1 ; } else { yield item ; } } } ; }