func net/http/httptrace.compose2to1

2 uses

	net/http/httptrace (current package)
		trace.go#L183: 	t.Got1xxResponse = compose2to1(t.Got1xxResponse, old.Got1xxResponse)
		trace.go#L235: func compose2to1[F func(A, B) R, A, B, R any](f1, f2 F) F {