Implement selected clippy recommendations.

4 files changed, 7 insertions, 10 deletions

diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index aa91de0..7757016 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -109,7 +109,7 @@ impl<'a> Generator<'a> {
         );
 
         // Make sure the compiler understands that the generated code depends on the template files.
-        for (path, _) in self.contexts {
+        for path in self.contexts.keys() {
             // Skip the fake path of templates defined in rust source.
             let path_is_valid = match self.input.source {
                 Source::Path(_) => true,
diff --git a/askama_derive/src/input.rs b/askama_derive/src/input.rs
index 0cc852c..0bf6093 100644
--- a/askama_derive/src/input.rs
+++ b/askama_derive/src/input.rs
@@ -4,7 +4,6 @@ use quote::ToTokens;
 
 use askama_shared::{Config, Syntax};
 
-use std::io::{self, Write};
 use std::path::PathBuf;
 
 use syn;
@@ -146,12 +145,10 @@ impl<'a> TemplateInput<'a> {
         };
 
         if parent.is_some() {
-            io::stderr()
-                .write_fmt(format_args!(
-                    "   --> in struct {}\n   = use of deprecated field '_parent'\n",
-                    ast.ident
-                ))
-                .unwrap();
+            eprint!(
+                "   --> in struct {}\n   = use of deprecated field '_parent'\n",
+                ast.ident
+            );
         }
 
         // Validate syntax
diff --git a/askama_derive/src/parser.rs b/askama_derive/src/parser.rs
index a37a112..b8fa94d 100644
--- a/askama_derive/src/parser.rs
+++ b/askama_derive/src/parser.rs
@@ -117,7 +117,7 @@ fn split_ws_parts(s: &[u8]) -> Node {
             (&s[..start], &s[start..], &s[0..0])
         } else {
             let end = end.unwrap();
-            (&s[..start], &s[start..end + 1], &s[end + 1..])
+            (&s[..start], &s[start..=end], &s[end + 1..])
         }
     };
     Node::Lit(
diff --git a/askama_shared/src/lib.rs b/askama_shared/src/lib.rs
index ffc0351..918e356 100644
--- a/askama_shared/src/lib.rs
+++ b/askama_shared/src/lib.rs
@@ -55,7 +55,7 @@ impl<'a> Config<'a> {
             for raw_s in raw_syntaxes {
                 let name = raw_s.name;
 
-                if let Some(_) = syntaxes.insert(name.to_string(), Syntax::from(raw_s)) {
+                if syntaxes.insert(name.to_string(), Syntax::from(raw_s)).is_some() {
                     panic!("syntax \"{}\" is already defined", name)
                 }
             }