119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
#include <print>
|
|
|
|
#include <snipplib/containers/snplib_hmap.h>
|
|
|
|
|
|
using namespace snplib;
|
|
|
|
int main()
|
|
{
|
|
int i = 10;
|
|
double d = 7.7;
|
|
std::string s = "klewjdl";
|
|
|
|
HeterogenMap<std::string_view> hmap;
|
|
|
|
bool ok = hmap.push("int_key", i, std::tuple<double, float, long>{});
|
|
if (!ok) {
|
|
std::println("cannot insert integer value {}", i);
|
|
}
|
|
|
|
ok = hmap.push("str_key", s);
|
|
if (!ok) {
|
|
std::println("cannot insert string value {}", s);
|
|
}
|
|
|
|
ok = hmap.push("dbl_key", d, std::tuple<double, float, long, int>{});
|
|
if (!ok) {
|
|
std::println("cannot insert double value {}", d);
|
|
}
|
|
|
|
auto rd = hmap.get<double>("int_key");
|
|
if (rd) {
|
|
std::println("hmap[int_key] = {}", rd.value());
|
|
} else {
|
|
std::println("cannot convert to double value with key 'int_key'");
|
|
}
|
|
|
|
auto rl = hmap.get<long>("dbl_key");
|
|
if (rl) {
|
|
std::println("hmap[dbl_key] = {}", rl.value());
|
|
} else {
|
|
std::println("cannot convert to long value with key 'dbl_key'");
|
|
}
|
|
|
|
std::println("\n{:*^80}", " copy ctor ");
|
|
|
|
HeterogenMap<std::string_view> hmap_copy(hmap);
|
|
|
|
auto rs = hmap.get<std::string>("str_key");
|
|
if (rs) {
|
|
std::println("hmap['str_key'] = {}", rs.value());
|
|
} else {
|
|
std::println("cannot get hmap['str_key']");
|
|
}
|
|
|
|
rs = hmap_copy.get<std::string>("str_key");
|
|
if (rs) {
|
|
std::println("hmap_copy['str_key'] = {}", rs.value());
|
|
} else {
|
|
std::println("cannot get hmap_copy['str_key']");
|
|
}
|
|
|
|
std::println("\n{:*^80}", " move ctor ");
|
|
|
|
HeterogenMap<std::string_view> hmap_move(std::move(hmap));
|
|
std::println("contains hmap_move['str_key']: {}", hmap_move.contains("str_key"));
|
|
|
|
rs = hmap_move.get<std::string>("str_key");
|
|
if (rs) {
|
|
std::println("hmap_move['str_key'] = {}", rs.value());
|
|
} else {
|
|
std::println("cannot get hmap_move['str_key']");
|
|
}
|
|
|
|
rs = hmap.get<std::string>("str_key");
|
|
if (rs) {
|
|
std::println("hmap['str_key'] = {}", rs.value());
|
|
} else {
|
|
std::println("cannot get hmap['str_key']");
|
|
std::println("contains hmap['str_key']: {}", hmap.contains("str_key"));
|
|
}
|
|
|
|
|
|
std::println("\n{:*^80}", " set value ");
|
|
|
|
double dd = 123.456789;
|
|
std::println("set hmap_copy['int_key'] to {} ...", dd);
|
|
if (hmap_copy.set("int_key", dd)) {
|
|
std::println("cannot set hmap_copy['int_key'] to {}", dd);
|
|
} else {
|
|
auto ri = hmap_copy.get<int>("int_key");
|
|
if (ri) {
|
|
std::println("hmap_copy['int_key'] = {}", ri.value());
|
|
} else {
|
|
std::println("cannot get value of hmap_copy['int_key']");
|
|
}
|
|
}
|
|
|
|
std::println("\n{:*^80}", " delete key ");
|
|
|
|
std::println("erase node with key 'int_key'");
|
|
if (hmap_move.erase("int_key")) {
|
|
auto ri = hmap_move.get<int>("int_key");
|
|
if (ri) { // should not be
|
|
std::println("hmap_move['int_key'] = {}", ri.value());
|
|
} else {
|
|
std::println("cannot get value of hmap_move['int_key']");
|
|
}
|
|
|
|
ri = hmap_copy.get<int>("int_key");
|
|
if (ri) {
|
|
std::println("hmap_copy['int_key'] = {}", ri.value());
|
|
} else {
|
|
std::println("cannot get value of hmap_copy['int_key']");
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
} |