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870 B

/*
* Copyright (c) 2016 - present Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
// iterator
struct iterator {
int val;
iterator operator++() {
val += 1;
return *this;
}
int operator*() {
return val;
} // this should return type of values stored in vec
};
bool operator!=(iterator i1, iterator i2) { return i1.val != i2.val; }
struct vec {
vec(int size) {
begin_.val = 0;
end_.val = size;
}
iterator begin() { return begin_; }
iterator end() { return end_; }
iterator begin_;
iterator end_;
};
void test() {
vec vector(10);
for (int value : vector) {
int temp = value * value + 10;
}
}