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Add overloads of config::operator[] for std::string and const char*

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This allows the indexing operator to be called with
config::attribute_value that has an implicit conversion operator to
std::string.
This commit is contained in:
Jyrki Vesterinen 2017-05-06 21:24:23 +03:00
parent 1362e03df8
commit 1eca3736f6
1 changed files with 40 additions and 2 deletions
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42
src/config.hpp
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@ -546,13 +546,51 @@ public:
* Returns a reference to the attribute with the given @a key.
* Creates it if it does not exist.
*/
attribute_value &operator[](config_key_type key);
attribute_value& operator[](config_key_type key);
/**
* Returns a reference to the attribute with the given @a key
* or to a dummy empty attribute if it does not exist.
*/
const attribute_value &operator[](config_key_type key) const;
const attribute_value& operator[](config_key_type key) const;
#ifdef USE_HETEROGENOUS_LOOKUPS
/**
* Returns a reference to the attribute with the given @a key.
* Creates it if it does not exist.
*/
attribute_value& operator[](const std::string& key)
{
return operator[](config_key_type(key));
}
/**
* Returns a reference to the attribute with the given @a key
* or to a dummy empty attribute if it does not exist.
*/
const attribute_value& operator[](const std::string& key) const
{
return operator[](config_key_type(key));
}
#endif
/**
* Returns a reference to the attribute with the given @a key.
* Creates it if it does not exist.
*/
attribute_value& operator[](const char* key)
{
return operator[](config_key_type(key));
}
/**
* Returns a reference to the attribute with the given @a key
* or to a dummy empty attribute if it does not exist.
*/
const attribute_value& operator[](const char* key) const
{
return operator[](config_key_type(key));
}
/**
* Returns a pointer to the attribute with the given @a key