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@Pranz
Created September 17, 2013 20:28
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void filterM(bool (*f)(void*), List *ls){
List *xs = ls
while !f(xs->head) {
free(xs)
xs = xs->tail;
}
List *prev_node = xs;
for(List *i = xs->tail; i != NIL; i = i->tail){
if !f(i->head) {
free(i);
prev_node->tail = i->tail;
}
else prev_node = i;
}
return xs;
}
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