isListLike(list)

Return true if list is a String,
OR list is not a primitive and implements @@iterator,
OR list is not a primitive and returns true for Array.isArray(),
OR list is not a primitive and has a numerical length and is either empty (length === 0) or has a last element at index length - 1;
false otherwise

canReflect.isListLike(null); // -> false
canReflect.isListLike({}); // -> false
canReflect.isListLike([]); // -> true
canReflect.isListLike("foo"); // -> true
canReflect.isListLike(1); // -> false
canReflect.isListLike({ [canSymbol.for("can.isListLike")]: true }); // -> true
canReflect.isListLike({ [canSymbol.iterator]: function() {} }); // -> true
canReflect.isListLike({ length: 0 }); // -> true
canReflect.isListLike({ length: 3 }); // -> false
canReflect.isListLike({ length: 3, "2": true }); // -> true
canReflect.isListLike(new DefineMap()); // -> false
canReflect.isListLike(new DefineList()); // -> true