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cl: interface support __llgo_va_list

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visualfc
2025-09-09 13:20:01 +08:00
parent 89af430329
commit fd17a43ade
6 changed files with 451 additions and 22 deletions
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21
cl/_testrt/vamethod/in.go
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@@ -19,14 +19,27 @@ type CFmt struct {
*T
}
func (f *CFmt) SetFormat(fmt string) {
f.T = (*T)(unsafe.Pointer(c.AllocaCStr(fmt)))
func (f *CFmt) SetFormat(fmt *c.Char) {
f.T = (*T)(unsafe.Pointer(fmt))
}
type IFmt interface {
SetFormat(fmt *c.Char)
Printf(__llgo_va_list ...any) c.Int
}
func main() {
cfmt := &CFmt{}
cfmt.SetFormat("%s (%d)\n")
cfmt.SetFormat(c.Str("%s (%d)\n"))
cfmt.Printf(c.Str("hello"), 100)
cfmt.SetFormat("(%d) %s\n")
cfmt.SetFormat(c.Str("(%d) %s\n"))
cfmt.Printf(200, c.Str("world"))
var i any = &CFmt{}
ifmt, ok := i.(IFmt)
if !ok {
panic("error")
}
ifmt.SetFormat(c.Str("%s (%d,%d)\n"))
ifmt.Printf(c.Str("ifmt"), 100, 200)
}