Function apply_patch 

pub fn apply_patch<R: Read + Seek + Debug, W: Write>(
    patch: &mut R,
    src: Option<&mut R>,
    sink: &mut W,
) -> Result<()>

Applies a VCDiff patch to a source buffer

Arguments

• patch - A Read+Seek object that contains the VCDiff patch data
• src - An optional mutable reference to a Read+Seek object that contains the source (dictionary) data
• sink - A Write object that will receive the patched data

Errors

Returns an error if there is an issue reading from the patch or source data, or writing to the sink