text: //// [strictTupleLength.ts]
  var t0: [];
  var t1: [number];
  var t2: [number, number];
  var arr: number[];
  
  var len0: 0 = t0.length;
  var len1: 1 = t1.length;
  var len2: 2 = t2.length;
  var lena: number = arr.length;
  
  var t1 = t2; // error
  var t2 = t1; // error
  
  type A<T extends any[]> = T['length'];
  var b: A<[boolean]>;
  var c: 1 = b;
  
  t1 = arr; // error with or without strict
  arr = t1; // ok with or without strict
  
  
  //// [strictTupleLength.js]
  var t0;
  var t1;
  var t2;
  var arr;
  var len0 = t0.length;
  var len1 = t1.length;
  var len2 = t2.length;
  var lena = arr.length;
  var t1 = t2; // error
  var t2 = t1; // error
  var b;
  var c = b;
  t1 = arr; // error with or without strict
  arr = t1; // ok with or without strict
  