Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Formats a value and adds it to the output string.
template<
class Formattable>
format_context_base&
append_value(
const Formattable& v);
value is formatted according to its type. If formatting generates an error (for instance, a string with invalid encoding is passed), the error state may be set.
The supplied type must satisfy the Formattable
concept.
Basic guarantee. Memory allocations may throw.
The error state may be updated with the following errors:
client_errc::invalid_encoding
if a string with byte sequences that can't be decoded with the current
character set is passed.
client_errc::unformattable_value
if a NaN or infinity float
or double is passed.
add_error.