variadic parameters
package main
import "fmt"
func sum(n ...int) (s int) {
for _, v := range n {
s += v
}
return
}
func main() {
fmt.Print(sum(1, 2, 3, 4))
}variadic parameters
package main
import "fmt"
func sum(n ...int) (s int) {
for _, v := range n {
s += v
}
return
}
func main() {
fmt.Print(sum(1, 2, 3, 4))
}how to acsess variadic arguments
#include <stdio.h>
#include <stdarg.h>
void simple_printf(const char* fmt,...)
{
va_list args;
va_start(args, fmt);
while (*fmt != ' ') {
if (*fmt == 'd') {
int i = va_arg(args, int);
printf("%dn", i);
} else if (*fmt == 'c') {
// note automatic conversion to integral type
int c = va_arg(args, int);
printf("%cn", c);
} else if (*fmt == 'f') {
double d = va_arg(args, double);
printf("%fn", d);
}
++fmt;
}
va_end(args);
}
int main(void)
{
simple_printf("dcff", 3, 'a', 1.999, 42.5);
}Copyright © 2021 Codeinu
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