nl_tokens: Compare two tuples of equal length . Is t1 < = t2? TODO : make this tupleLessOrEqual<T > -- it works with strings or booleans too .
pl_tokens: function tupleLessOrEqual ( t1 : Array < number > , t2 : Array < number > ) : boolean { if ( t1 . length != t2 . <mask> ) throw new Error ( 'Comparing non-equal length tuples' ) ; for ( var i = 0 ; i < t1 . length ; i ++ ) { if ( t1 [ i ] > t2 [ i ] ) { return false ; } else if ( t1 [ i ] < t2 [ i ] ) { return true ; } } return true ; }