float noElements[2]            = float[2]();
float notEnoughElements[2]     = float[2](1);
float rightNumberOfElements[2] = float[2](1, 2);
float tooManyElements[2]       = float[2](1, 2, 3);

/*%%*
invalid arguments to 'float[2]' constructor (expected 2 elements, but found 0)
invalid arguments to 'float[2]' constructor (expected 2 elements, but found 1)
invalid arguments to 'float[2]' constructor (expected 2 elements, but found 3)
*%%*/