Function rmp::encode::write_f64

source · [−]
pub fn write_f64<W: RmpWrite>(
    wr: &mut W, 
    val: f64
) -> Result<(), ValueWriteError<W::Error>>
Expand description

Encodes and attempts to write an f64 value as a 9-byte sequence into the given write.

The first byte becomes the f64 marker and the others will represent the data itself.

Errors

This function will return ValueWriteError on any I/O error occurred while writing either the marker or the data.