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This is an older version of Boost and was released in 2023. The current version is 1.89.0.
Returns a suggested maximum buffer size for the next call to read.
std::size_t read_size_hint( std::size_t initial_size = +tcp_frame_size) const; »more...template< class DynamicBuffer> std::size_t read_size_hint( DynamicBuffer& buffer) const; »more...