chore: tidy up minor issues found by clippy

Sponsored-by: author

2 files changed, 2 insertions, 16 deletions

diff --git a/subplotlib/helpers/subplotlib_context.rs b/subplotlib/helpers/subplotlib_context.rs
index b986ed2..c662c98 100644
--- a/subplotlib/helpers/subplotlib_context.rs
+++ b/subplotlib/helpers/subplotlib_context.rs
@@ -1,21 +1,12 @@
 use std::collections::HashMap;
 
+#[derive(Default)]
 struct Context {
     counter: usize,
     files: HashMap<String, SubplotDataFile>,
     this_file: Option<SubplotDataFile>,
 }
 
-impl Default for Context {
-    fn default() -> Self {
-        Self {
-            counter: 0,
-            files: HashMap::new(),
-            this_file: None,
-        }
-    }
-}
-
 impl Context {
     fn remember_file(&mut self, name: &str, content: SubplotDataFile) {
         self.files.insert(name.to_string(), content);
diff --git a/subplotlib/src/steplibrary/datadir.rs b/subplotlib/src/steplibrary/datadir.rs
index ab80d25..8aa6f00 100644
--- a/subplotlib/src/steplibrary/datadir.rs
+++ b/subplotlib/src/steplibrary/datadir.rs
@@ -10,6 +10,7 @@ use std::path::{Component, Path, PathBuf};
 
 pub use crate::prelude::*;
 
+#[derive(Default)]
 pub struct Datadir {
     inner: Option<DatadirInner>,
 }
@@ -18,12 +19,6 @@ pub struct DatadirInner {
     base: tempfile::TempDir,
 }
 
-impl Default for Datadir {
-    fn default() -> Self {
-        Self { inner: None }
-    }
-}
-
 impl ContextElement for Datadir {
     fn created(&mut self, scenario: &Scenario) {
         assert!(self.inner.is_none());