cpp/utility/format/basic format context

Provides access to formatting state consisting of the formatting arguments and the output iterator.

The behavior is undefined if does not model.

@2@ The unspecified template argument is an output iterator that appends to std, such as. Implementations typically use an iterator to type-erased buffer type that supports appending to any contiguous and resizable container.

@3@ The unspecified template argument is an output iterator that appends to std.