ruma_common/serde/buf.rs
use bytes::BufMut;
use serde::Serialize;
/// Converts a byte slice to a buffer by copying.
pub fn slice_to_buf<B: Default + BufMut>(s: &[u8]) -> B {
let mut buf = B::default();
buf.put_slice(s);
buf
}
/// Creates a buffer and writes a serializable value to it.
pub fn json_to_buf<B: Default + BufMut, T: Serialize>(val: &T) -> serde_json::Result<B> {
let mut buf = B::default().writer();
serde_json::to_writer(&mut buf, val)?;
Ok(buf.into_inner())
}