Function rmp::decode::read_str_len
source · pub fn read_str_len<R: RmpRead>(
rd: &mut R,
) -> Result<u32, ValueReadError<R::Error>>
Expand description
Attempts to read up to 9 bytes from the given reader and to decode them as a string u32
size
value.
According to the MessagePack specification, the string format family stores an byte array in 1, 2, 3, or 5 bytes of extra bytes in addition to the size of the byte array.
§Errors
This function will return ValueReadError
on any I/O error while reading either the marker or
the data.
It also returns ValueReadError::TypeMismatch
if the actual type is not equal with the
expected one, indicating you with the actual type.