view tests/mini/vararg1.d @ 1166:c6f39553b702

Clean up some suspicious code. There's no guarantee a constant of integer type is a ConstantInt, so it's not safe to just cast<> these to ConstantInt. (It could be a constant expression, for example) The code is shorter this way too :).
author Frits van Bommel <fvbommel wxs.nl>
date Sun, 29 Mar 2009 03:27:04 +0200
parents 44f08170f4ef
children
line wrap: on
line source

module vararg1;

import tango.stdc.stdarg;

extern(C) int add(int n, ...)
{
    va_list ap=void;
    va_start(ap, n);
    int r;
    for (int i=0; i<n; i++)
        r += va_arg!(int)(ap);
    va_end(ap);
    return r;
}

void main()
{
    int i = add(4, 1,2,3,4);
    assert(i == 10);
}