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http::parser::content_length_remaining

(Inherited from http::basic_parser)

Returns the remaining content length if known.

Synopsis
boost::optional< std::uint64_t >
content_length_remaining() const;
Description

If the message header specifies a Content-Length, the return value will be the number of bytes remaining in the payload body have not yet been parsed.

Remarks

The return value is undefined unless http::basic_parser::is_header_done would return true.


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