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doc #217: add description about C++17 feature

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ToruNiina 2023-04-24 22:36:08 +09:00
parent 0dcf07b774
commit 2da3b67d02
1 changed files with 7 additions and 2 deletions
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@ -478,11 +478,16 @@ elements.
```cpp ```cpp
const auto data = toml::parse("example.toml"); const auto data = toml::parse("example.toml");
std::cout << "keys in the top-level table are the following: \n"; std::cout << "keys in the top-level table are the following: \n";
for(const auto& [k, v] : data.as_table()) for(const auto& kv : data.as_table())
{
std::cout << kv.first << '\n';
}
for(const auto& [k, v] : data.as_table()) // or in C++17
{ {
std::cout << k << '\n'; std::cout << k << '\n';
} }
const auto& fruits = toml::find(data, "fruits"); const auto& fruits = toml::find(data, "fruits");
for(const auto& v : fruits.as_array()) for(const auto& v : fruits.as_array())
{ {
@ -1169,7 +1174,7 @@ add a comma after the first element (like `[1,]`).
"[[table]]"_toml; // This is a table that has an array of tables inside. "[[table]]"_toml; // This is a table that has an array of tables inside.
"[[1]]"_toml; // This literal is ambiguous. "[[1]]"_toml; // This literal is ambiguous.
// Currently, it becomes a table that has array of table "1". // Currently, it becomes an empty array of table named "1".
"1 = [{}]"_toml; // This is a table that has an array of table named 1. "1 = [{}]"_toml; // This is a table that has an array of table named 1.
"[[1,]]"_toml; // This is an array of arrays. "[[1,]]"_toml; // This is an array of arrays.
"[[1],]"_toml; // ditto. "[[1],]"_toml; // ditto.