myString("foo" + "bar")  // "foobar" of type myString
string([]byte{'a'})      // not a constant: []byte{'a'} is not a constant
(*int)(nil)              // not a constant: nil is not a constant, *int is not a boolean, numeric, or string type
int(1.2)                 // illegal: 1.2 cannot be represented as an int
string(65.0)             // illegal: 65.0 is not an integer constant
</pre>

<p>

    assert "x-level0" in response.headers
    assert "x-level1" not in response.headers
    assert "x-level2" not in response.headers
    assert "x-level3" not in response.headers
    assert "x-level4" not in response.headers
    assert "x-level5" not in response.headers


@pytest.mark.parametrize("override1", [True, False])
@pytest.mark.parametrize("override2", [True, False])

// Code generated by avx512test. DO NOT EDIT.

#include "../../../../../../runtime/textflag.h"

TEXT asmtest_avx512f(SB), NOSPLIT, $0
	KANDNW K4, K4, K6                                  // c5dc42f4
	KANDNW K5, K4, K6                                  // c5dc42f5
	KANDNW K4, K6, K6                                  // c5cc42f4
	KANDNW K5, K6, K6                                  // c5cc42f5
	KANDNW K4, K4, K4                                  // c5dc42e4