Simplify code

fuzzy/src/diff_output.rs

@@ -1,10 +1,8 @@
-//! Provides an implementation of [`Output`] that mimics git's character-level diff.
-
-use crate::{Output, Match, Step};
+use crate::{Match, Step};
 use std::fmt;
 
 // NOTE: because we do character by character diffs, this won't be the real diff format
-// for now. Instead, we will mimic the git diff format, expect we print out all matching
+// for now. Instead, we will mimic the git diff format, except we print out all matching
 // lines and don't print any line numbers.
 //
 // The wording in these structs treat the patttern as the original, and text as new. So
@@ -14,6 +12,8 @@ use std::fmt;
 // TODO make this configurable
 const ANY: char = '?';
 
+/// A quick display of the final trace, similar to the git character-level diff format.
+/// Convenient for small texts.
 pub struct DiffOutput {
     pub chunks: Vec<Chunk>,
 }
@@ -48,8 +48,8 @@ pub struct Same { pub text: Vec<char> }
 #[derive(Eq, PartialEq, Debug)]
 pub struct Diff { pub taken: Vec<char>, pub added: Vec<char> }
 
-impl Output for DiffOutput {
-    fn new(_score: &usize, trace: &Vec<Step<Match, char>>) -> Self {
+impl DiffOutput {
+    pub fn new(_score: &usize, trace: &Vec<Step<Match, char>>) -> Self {
         let mut chunks = vec![];
         for step in trace.iter() {
             let current_chunk = chunks.last_mut();