if gotA != wantA || gotB != wantB {
		t.Errorf("function called with (%v, %v), want (%v, %v)", gotA, gotB, wantA, wantB)
	}
}

var tagGetTests = []struct {
	Tag   StructTag
	Key   string
	Value string
}{
	{`protobuf:"PB(1,2)"`, `protobuf`, `PB(1,2)`},
	{`protobuf:"PB(1,2)"`, `foo`, ``},
	{`protobuf:"PB(1,2)"`, `rotobuf`, ``},

which becomes an attribute for all the fields in the corresponding
field declaration. An empty tag string is equivalent to an absent tag.
The tags are made visible through a <a href="/pkg/reflect/#StructTag">reflection interface</a>
and take part in <a href="#Type_identity">type identity</a> for structs
but are otherwise ignored.
</p>

<pre>
struct {