1 files changed, 9 insertions, 20 deletions
diff --git a/src/options/config/process_columns.rs b/src/options/config/process_columns.rs
index 504faaf3..ea65bf27 100644
--- a/src/options/config/process_columns.rs
+++ b/src/options/config/process_columns.rs
@@ -5,7 +5,8 @@ use crate::widgets::ProcWidgetColumn;
 /// Process column settings.
 #[derive(Clone, Debug, Default, Deserialize)]
 pub struct ProcessConfig {
-    pub columns: Option<Vec<ProcWidgetColumn>>,
+    #[serde(default)]
+    pub columns: Vec<ProcWidgetColumn>,
 }
 
 #[cfg(test)]
@@ -17,7 +18,7 @@ mod test {
     fn empty_column_setting() {
         let config = "";
         let generated: ProcessConfig = toml_edit::de::from_str(config).unwrap();
-        assert!(generated.columns.is_none());
+        assert!(generated.columns.is_empty());
     }
 
     #[test]
@@ -29,7 +30,7 @@ mod test {
         let generated: ProcessConfig = toml_edit::de::from_str(config).unwrap();
         assert_eq!(
             generated.columns,
-            Some(vec![
+            vec![
                 ProcWidgetColumn::Cpu,
                 ProcWidgetColumn::PidOrCount,
                 ProcWidgetColumn::User,
@@ -41,7 +42,7 @@ mod test {
                 ProcWidgetColumn::Time,
                 ProcWidgetColumn::User,
                 ProcWidgetColumn::State,
-            ]),
+            ],
         );
     }
 
@@ -55,30 +56,18 @@ mod test {
     fn process_column_settings_3() {
         let config = r#"columns = ["Twrite", "T.Write"]"#;
         let generated: ProcessConfig = toml_edit::de::from_str(config).unwrap();
-        assert_eq!(
-            generated.columns,
-            Some(vec![ProcWidgetColumn::TotalWrite; 2])
-        );
+        assert_eq!(generated.columns, vec![ProcWidgetColumn::TotalWrite; 2]);
 
         let config = r#"columns = ["Tread", "T.read"]"#;
         let generated: ProcessConfig = toml_edit::de::from_str(config).unwrap();
-        assert_eq!(
-            generated.columns,
-            Some(vec![ProcWidgetColumn::TotalRead; 2])
-        );
+        assert_eq!(generated.columns, vec![ProcWidgetColumn::TotalRead; 2]);
 
         let config = r#"columns = ["read", "rps", "r/s"]"#;
         let generated: ProcessConfig = toml_edit::de::from_str(config).unwrap();
-        assert_eq!(
-            generated.columns,
-            Some(vec![ProcWidgetColumn::ReadPerSecond; 3])
-        );
+        assert_eq!(generated.columns, vec![ProcWidgetColumn::ReadPerSecond; 3]);
 
         let config = r#"columns = ["write", "wps", "w/s"]"#;
         let generated: ProcessConfig = toml_edit::de::from_str(config).unwrap();
-        assert_eq!(
-            generated.columns,
-            Some(vec![ProcWidgetColumn::WritePerSecond; 3])
-        );
+        assert_eq!(generated.columns, vec![ProcWidgetColumn::WritePerSecond; 3]);
     }
 }