fmtexcerpt.go
643 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
// +build ignore
// This is a slice of the fmt package.
package main
type pp struct {
field interface{}
}
func newPrinter() *pp {
return new(pp)
}
func Fprintln(a ...interface{}) {
p := newPrinter()
p.doPrint(a, true, true)
}
func Println(a ...interface{}) {
Fprintln(a...)
}
func (p *pp) doPrint(a []interface{}, addspace, addnewline bool) {
print(a[0]) // @types S | string
stringer := a[0].(interface {
String() string
})
stringer.String()
print(stringer) // @types S
}
type S int
func (S) String() string { return "" }
func main() {
Println("Hello, World!", S(0))
}
// @calls (*main.pp).doPrint -> (main.S).String