simplify code

Cargo.toml

@@ -20,7 +20,7 @@ once_cell = "1.16.0"
 log = "0.4.17"
 
 [dev-dependencies]
-criterion = "0.4.0"
+criterion = { version = "0.5.1", features = ["html_reports"] }
 random-string = "1.0.0"
 
 [[bench]]

src/config/default_config.rs

@@ -1,7 +1,6 @@
 use crate::config::configuration::Configuration;
 use serde;
 use serde::{Deserialize, Serialize};
-#[warn(unused_imports)]
 use serde_yaml;
 use std::fs::File;
 use std::io::{BufReader, Read};

src/core/cjk_segmenter.rs

@@ -7,7 +7,7 @@ use crate::dict::dictionary::GLOBAL_DICT;
 
 const SEGMENTER_NAME: &str = "CJK_SEGMENTER";
 
-#[derive(Debug)]
+#[derive(Default, Debug)]
 pub struct CJKSegmenter {}
 
 impl Segmenter for CJKSegmenter {
@@ -41,9 +41,3 @@ impl Segmenter for CJKSegmenter {
         return SEGMENTER_NAME;
     }
 }
-
-impl CJKSegmenter {
-    pub fn new() -> Self {
-        CJKSegmenter {}
-    }
-}

src/core/cn_quantifier_segmenter.rs

@@ -31,8 +31,8 @@ impl Segmenter for CnQuantifierSegmenter {
     }
 }
 
-impl CnQuantifierSegmenter {
-    pub fn new() -> Self {
+impl Default for CnQuantifierSegmenter {
+    fn default() -> Self {
         CnQuantifierSegmenter {
             start: None,
             end: None,
@@ -43,7 +43,9 @@ impl CnQuantifierSegmenter {
             ]),
         }
     }
+}
 
+impl CnQuantifierSegmenter {
     fn process_cnumber(
         &mut self,
         input: &str,
@@ -141,17 +143,17 @@ impl CnQuantifierSegmenter {
     }
 
     fn initial_state(&self) -> bool {
-        match self.start {
+        return match self.start {
             None => match self.end {
                 None => {
-                    return true;
+                    true
                 }
                 Some(_) => {
-                    return false;
+                    false
                 }
             },
             Some(_) => {
-                return false;
+                false
             }
         }
     }