#version 310 es


             float fn(float x){ return x + 4.0;}

int main(){
  gl_Position = vec4(1);
  gl_Position = clamp(1, 2, 3);
  gl_Position = vec4(1);
  gl_Position = vec4(1, 2);
  gl_Position = vec4(fn(3));
  []. ++ --
  + - * % / - ! ~
  << >> < > <= >=
  == !=
  & ^ | && ^^ || ? :
  += -= *= /= %= <<= >>= &= |= ^=
  1.2 2E10 5u - 5l f
}