carlos / platform Public

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1	package fixture
2
3	// Not compiled. send's parameter reaches a sink. A direct call passes a
4	// sentence, but a call through a function value passes an error's text and
5	// escapes the argument checks.
6
7	func send(w int, msg string) {
8	jsonError(w, 400, msg)
9	}
10
11	func direct(w int) {
12	send(w, "invalid region")
13	}
14
15	func indirect(w int, err error) {
16	f := send
17	f(w, err.Error())
18	}
19
20	type server struct{}
21
22	func (s server) report(w int, msg string) {
23	jsonError(w, 400, msg)
24	}
25
26	func methodValue(w int, s server, err error) {
27	g := s.report
28	g(w, err.Error())
29	}
30