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Refactor how things are migrated #461

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lx merged 9 commits from format-migration into main 2023-01-03 15:28:25 +00:00
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src/util/migrate.rs
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@ -18,7 +18,7 @@ pub trait Migrate: Serialize + for<'de> Deserialize<'de> + 'static {
/// Decode an encoded version of this type, going through a migration if necessary. /// Decode an encoded version of this type, going through a migration if necessary.
fn decode(bytes: &[u8]) -> Option<Self> { fn decode(bytes: &[u8]) -> Option<Self> {
let marker_len = Self::VERSION_MARKER.len(); let marker_len = Self::VERSION_MARKER.len();
if bytes.len() >= marker_len && &bytes[..marker_len] == Self::VERSION_MARKER { if bytes.get(..marker_len) == Some(Self::VERSION_MARKER) {
if let Ok(value) = rmp_serde::decode::from_read_ref::<_, Self>(&bytes[marker_len..]) { if let Ok(value) = rmp_serde::decode::from_read_ref::<_, Self>(&bytes[marker_len..]) {
return Some(value); return Some(value);
} }