Function operator==

test-suite/generated-src/cpp/vec2.cpp:9–12

bool operator==(const Vec2& lhs, const Vec2& rhs) {
    return lhs.x == rhs.x &&
           lhs.y == rhs.y;
}

bool operator!=(const Vec2& lhs, const Vec2& rhs) {
    return !(lhs == rhs);