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doc(sdk): Add a useful inline documentation.

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This commit is contained in:
Ivan Enderlin
2024-05-22 09:36:15 +02:00
parent ad9c2acef1
commit bf39976d21
1 changed files with 4 additions and 1 deletions
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5
crates/matrix-sdk/src/event_cache/linked_chunk/updates.rs
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@@ -291,9 +291,12 @@ impl<Item, Gap> Updates<Item, Gap> {
pub(super) fn new_reader_token(&mut self) -> ReaderToken {
let mut inner = self.inner.write().unwrap();
inner.last_token += 1;
// Add 1 before reading the `last_token`, in this particular order, because the
// 0 token is reserved by `MAIN_READER_TOKEN`.
inner.last_token += 1;
let last_token = inner.last_token;
inner.last_index_per_reader.insert(last_token, 0);
last_token