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import "../mod/libfwdmem.so"
import "../mod/libfwdutil.so"
/* trait */
any = {}
/* template */
vec[any type]() {
<> {
i64 s;
i64 n;
*[]type buf;
}
<>create((<>) next)
{
next((0 => s, 0 => n, * => buf)<>);
}
<>append(<> v, type n, (<>) next)
{
v.n = v.n + 1;
if v.s == 0 {
v.s = 1;
}
if v.n > v.s {
if v.s == 0 {
v.s = 1;
}
v.s = v.s * 2;
fwdrealloc(v.buf, v.s as u64 * sizeof(type)) => ptr;
v.buf = ptr;
}
/* in a real implementation this would be moved to after
* fwdrealloc I guess, but this is fine for now */
nil v.buf {fwdpanic("no buf for vector");} => buf;
buf*[v.n - 1] = n;
next(v);
}
<>destroy(<> v)
{
fwdfree(v.buf);
nil v;
}
}
u8vec = vec[u8]()
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