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use serde::{Deserialize, Serialize};
/// Serialize to MessagePacki, without versionning
/// (see garage_util::migrate for functions that manage versionned
/// data formats)
pub fn nonversioned_encode<T>(val: &T) -> Result<Vec<u8>, rmp_serde::encode::Error>
where
T: Serialize + ?Sized,
{
let mut wr = Vec::with_capacity(128);
let mut se = rmp_serde::Serializer::new(&mut wr).with_struct_map();
val.serialize(&mut se)?;
Ok(wr)
}
/// Deserialize from MessagePacki, without versionning
/// (see garage_util::migrate for functions that manage versionned
/// data formats)
pub fn nonversioned_decode<T>(bytes: &[u8]) -> Result<T, rmp_serde::decode::Error>
where
T: for<'de> Deserialize<'de> + ?Sized,
{
rmp_serde::decode::from_slice::<_>(bytes)
}
/// Serialize to JSON, truncating long result
pub fn debug_serialize<T: Serialize>(x: T) -> String {
match serde_json::to_string(&x) {
Ok(ss) => {
if ss.len() > 100 {
// TODO this can panic if 100 is not a codepoint boundary, but inside a 2 Bytes
// (or more) codepoint
ss[..100].to_string()
} else {
ss
}
}
Err(e) => format!("<JSON serialization error: {}>", e),
}
}
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