Simplify if-else-block with HashMap::entry()

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 2 insertions, 5 deletions

diff --git a/src/container.rs b/src/container.rs
index 2b3ee84..e73abf5 100644
--- a/src/container.rs
+++ b/src/container.rs
@@ -512,11 +512,8 @@ impl ContainerListOptionsBuilder {
                 ContainerFilter::LabelName(n) => ("label", n),
                 ContainerFilter::Label(n, v) => ("label", format!("{}={}", n, v)),
             };
-            if let Some(values) = param.get_mut(key) {
-                values.push(value);
-            } else {
-                param.insert(key, vec![value]);
-            }
+
+            param.entry(key).or_insert(Vec::new()).push(value);
         }
         // structure is a a json encoded object mapping string keys to a list
         // of string values