allow set retention after creation (#105)

generall · web-flow · commit 2209eb2c4a35 · 2026-01-07T09:10:56.000+01:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -539,6 +539,13 @@ impl Wal {
         }
         Ok(())
     }
+
+    /// Set how many segments closed segments to retain on prefix truncation.
+    ///
+    /// Can't be less than 1. If 0 is provided, it will be set to 1.
+    pub fn set_retention(&mut self, retain_closed: usize) {
+        self.retain_closed = NonZeroUsize::new(retain_closed.max(1)).unwrap();
+    }
 }
 
 impl fmt::Debug for Wal {

Original file line number	Diff line number	Diff line change
`@@ -539,6 +539,13 @@ impl Wal {`
`539`	`539`	`}`
`540`	`540`	`Ok(())`
`541`	`541`	`}`
	`542`	`+`
	`543`	`+ /// Set how many segments closed segments to retain on prefix truncation.`
	`544`	`+ ///`
	`545`	`+ /// Can't be less than 1. If 0 is provided, it will be set to 1.`
	`546`	`+ pub fn set_retention(&mut self, retain_closed: usize) {`
	`547`	`+ self.retain_closed = NonZeroUsize::new(retain_closed.max(1)).unwrap();`
	`548`	`+ }`
`542`	`549`	`}`
`543`	`550`
`544`	`551`	`impl fmt::Debug for Wal {`