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utils::to_string: Add printers for pairs+maps

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Calle Wilund
2017-12-04 13:11:52 +00:00
parent f4362a5289
commit 2095cb82a5
1 changed files with 18 additions and 0 deletions
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18
to_string.hh
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@@ -80,6 +80,12 @@ to_string(std::initializer_list<Printable> items) {
return "[" + join(", ", std::begin(items), std::end(items)) + "]";
}
template <typename K, typename V>
std::ostream& operator<<(std::ostream& os, const std::pair<K, V>& p) {
os << "{" << p.first << ", " << p.second << "}";
return os;
}
template <typename T>
std::ostream& operator<<(std::ostream& os, const std::unordered_set<T>& items) {
os << "{" << join(", ", items) << "}";
@@ -98,6 +104,18 @@ std::ostream& operator<<(std::ostream& os, const std::array<T, N>& items) {
return os;
}
template <typename K, typename V, typename... Args>
std::ostream& operator<<(std::ostream& os, const std::unordered_map<K, V, Args...>& items) {
os << "{" << join(", ", items) << "}";
return os;
}
template <typename K, typename V, typename... Args>
std::ostream& operator<<(std::ostream& os, const std::map<K, V, Args...>& items) {
os << "{" << join(", ", items) << "}";
return os;
}
namespace experimental {
template <typename T>