clean with pedantic clippy

src/law/mod.rs

@@ -165,7 +165,7 @@ impl PartialEq for LawBuilder {
 
 impl Default for LawBuilder {
     fn default() -> Self {
-        Self::new("".into())
+        Self::new(String::new())
     }
 }
 
@@ -347,7 +347,7 @@ impl fmt::Display for Section {
             format!("{}\n{}", self.symb, self.content)
         };
         if let Some(note) = &self.par_note {
-            to_write.push_str(&format!("\nBeachte: {}\n", note));
+            to_write.push_str(&format!("\nBeachte: {note}\n"));
         }
 
         f.write_str(&to_write)

src/overview/mod.rs

@@ -104,10 +104,9 @@ fn fetch_page(overview_id: usize, page: usize) -> Result<String, Error> {
     use std::fs;
 
     let expected_filename = format!("{}law-{overview_id}-{page}", get_cache_dir()?);
-
-    match fs::read_to_string(&expected_filename) {
-        Ok(data) => Ok(data),
-        Err(_) => {
+    if let Ok(data) = fs::read_to_string(&expected_filename) {
+        Ok(data)
+    } else {
         info!("Not finding law_id {overview_id} (page {page}) in the cache, downloading...");
         let data = ureq::post("https://data.bka.gv.at/ris/api/v2.6/Bundesrecht")
             .send_form(&[
@@ -126,7 +125,6 @@ fn fetch_page(overview_id: usize, page: usize) -> Result<String, Error> {
         fs::write(expected_filename, &data).expect("Unable to write file");
         Ok(data)
     }
-    }
 }
 
 #[cfg(test)]

src/paragraph/mod.rs

@@ -25,7 +25,7 @@ use std::{
     path::Path,
 };
 
-use log::{info};
+use log::info;
 
 use crate::{
     law::LawBuilder,
@@ -87,7 +87,7 @@ impl Parser {
         }
 
         let xml = if self.move_para_headers_into_content {
-            Self::do_move_para_headers_into_content(xml)
+            Self::do_move_para_headers_into_content(&xml)
         } else {
             xml
         };
@@ -95,8 +95,8 @@ impl Parser {
         Risdok::from_str(&xml, builder)
     }
 
-    fn do_move_para_headers_into_content(xml: String) -> String {
-        let mut result = String::from(&xml);
+    fn do_move_para_headers_into_content(xml: &str) -> String {
+        let mut result = String::from(xml);
         let ueberschrift_regex = Regex::new(
             "<ueberschrift typ=\"[^\"]*\" ct=\"[^\"]*\" halign=\"[^\"]*\">(§.*?)</ueberschrift>",
         )
@@ -116,7 +116,7 @@ impl Parser {
                 // Insert the <gldsym> tag with the ueberschrift content into the result string
                 result.insert_str(
                     insert_point,
-                    &format!("<gldsym>{}</gldsym>", ueberschrift_content),
+                    &format!("<gldsym>{ueberschrift_content}</gldsym>"),
                 );
             }
 
@@ -133,10 +133,9 @@ fn fetch(url: &str) -> Result<String, Error> {
     let hash = format!("{:x}", hasher.finish());
 
     let expected_filename = format!("{}par-{hash}", get_cache_dir()?);
-
-    match fs::read_to_string(&expected_filename) {
-        Ok(data) => Ok(data),
-        Err(_) => {
+    if let Ok(data) = fs::read_to_string(&expected_filename) {
+        Ok(data)
+    } else {
         info!("Not finding url {url} in the cache, downloading...");
         let data = fetch_with_retries(url)?;
         let path = Path::new(&expected_filename);
@@ -147,7 +146,6 @@ fn fetch(url: &str) -> Result<String, Error> {
         fs::write(expected_filename, &data).expect("Unable to write file");
         Ok(data)
     }
-    }
 }
 
 #[cfg(test)]

src/paragraph/parser/absatz.rs

@@ -62,7 +62,7 @@ impl Absatz {
             {
                 // After a 'absatz' there can be a '<absatz typ="[satz|erltext]"' which should be part of the first absatz
                 // (e.g. 1209 ABGB)
-                content.push(Content::Text(Absatz::parse(c.next().unwrap()).content))
+                content.push(Content::Text(Absatz::parse(c.next().unwrap()).content));
             } else {
                 break;
             }

src/paragraph/parser/abschnitt.rs

@@ -41,7 +41,7 @@ impl Abschnitt {
 
         ret.handle_metadata(&mut c, builder);
 
-        if !ret.handle_headers(&mut c, builder) {
+        if !Self::handle_headers(&mut c, builder) {
             return ret;
         }
 
@@ -49,9 +49,8 @@ impl Abschnitt {
 
         // Special handling of first paragraph (needs id)...
         let (par_id, first_abs) = Absatz::parse_full(&mut c);
-        let par_id = match par_id {
-            Some(par_id) => par_id,
-            None => panic!("First paragraph needs to have an id, not found"),
+        let Some(par_id) = par_id else {
+            panic!("First paragraph needs to have an id, not found")
         };
         absatze.push(first_abs);
 
@@ -118,9 +117,10 @@ impl Abschnitt {
                 }
             }
             value = value.trim().into();
-            if value.is_empty() {
-                panic!("Expected at least on erltext-absatz after title meta-data");
-            }
+            assert!(
+                !value.is_empty(),
+                "Expected at least on erltext-absatz after title meta-data"
+            );
 
             // We want ot use this information in our markdown output.
             // TODO: Use all metadata, instead of this specific call
@@ -146,7 +146,7 @@ impl Abschnitt {
     // we have optionally headers. Such as "Einleitung", "Von den bürgerlichen Gesetzen üerhaupt,"
     // etc. If we have headers which indicate that we are done and we want to stop parsing
     // ("anlage" + "Artikel" we indicate this wish by returning false.
-    fn handle_headers(&self, c: &mut Peekable<Children>, builder: &mut LawBuilder) -> bool {
+    fn handle_headers(c: &mut Peekable<Children>, builder: &mut LawBuilder) -> bool {
         while let Some(child) = c.peek() {
             // Schiffahrtsgesetz: stop @ anlagen (for now)
             if Ueberschrift::test(child, "anlage") {

src/paragraph/parser/mod.rs

@@ -43,15 +43,14 @@ impl<'a> From<&'a Node<'a, 'a>> for Expect<'a> {
 
 impl<'a> Expect<'a> {
     fn tag(&self, value: &str) {
-        if self.node.tag_name().name() != value {
-            panic!(
+        assert!(
+            !(self.node.tag_name().name() != value),
             "Expected tag '{value}', got {} (tag: {}, content: {:?})",
             self.node.tag_name().name(),
             self.node.tag_name().name(),
             self.node.text(),
         );
     }
-    }
 }
 
 #[derive(Debug, PartialEq)]