...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Returns the value for a field, or throws an exception.
string_view const at( string_view name) const;
If more than one field with the specified name exists, the first field defined by insertion order is returned.
Name |
Description |
---|---|
|
The name of the field. It is interpreted as a case-insensitive string. |
The field value.
Type |
Thrown On |
---|---|
|
if the field is not found. |