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write_frame

vm::frame

Function write_frame 

Source 
pub fn write_frame(
    w: &mut impl Write,
    msg_type: u8,
    payload: &[u8],
) -> Result<(), Error>
Expand description

Write a binary frame: [u32 BE length][u8 type][payload].

Assembles the header + payload into a single buffer so that the entire frame is sent in one write_all call. This avoids multiple small TCP segments when TCP_NODELAY is enabled.