Add doc to fn

matthiasbeyer · matthiasbeyer · commit bbb61a66f755 · 2021-06-26T17:30:45.000+02:00
Signed-off-by: Matthias Beyer &lt;mail@beyermatthias.de&gt;
diff --git a/src/source.rs b/src/source.rs
@@ -14,6 +14,7 @@ pub trait Source: Debug {
     /// a HashMap.
     fn collect(&self) -> Result<HashMap<String, Value>>;
 
+    /// Collects all configuration properties to a provided cache.
     fn collect_to(&self, cache: &mut Value) -> Result<()> {
         self.collect()?
             .iter()
