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-rw-r--r--src/generation.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/generation.rs b/src/generation.rs
index 25fc14d..66b4647 100644
--- a/src/generation.rs
+++ b/src/generation.rs
@@ -9,6 +9,9 @@ use std::path::{Path, PathBuf};
/// An identifier for a file in a generation.
type FileId = i64;
+/// An identifier for a generation.
+pub type GenId = ChunkId;
+
/// A nascent backup generation.
///
/// A nascent generation is one that is being prepared. It isn't