Refactor code for #73, private some method.

- Renamed `mikey` to `minify_key`.
- Removed unused `vakey`.
- Removed `t!((key, msg))` support, this need to think about it.
- Hidden (mark `#[doc(hidden)]) some private method, even it pub, it only provided for rust_i18n itself.

README.md

@@ -65,15 +65,15 @@ i18n!("locales", minify_key = true);
 i18n!("locales",
       minify_key = true,
       minify_key_len = 12,
-      minify_key_prefix = "T.",
+      minify_key_prefix = "t_",
       minify_key_thresh = 64
 );
 // Now, if the message length exceeds 64, the `t!` macro will automatically generate
-// a 12-byte short hashed key with a "T." prefix for it, if not, it will use the original.
+// a 12-byte short hashed key with a "t_" prefix for it, if not, it will use the original.
 
 // Configuration using the `[package.metadata.i18n]` section in `Cargo.toml`,
 // Useful for the `cargo i18n` command line tool.
-i18n!(metadata = true);
+i18n!();
 ```
 
 Or you can import by use directly:
@@ -116,11 +116,11 @@ You can also split the each language into difference files, and you can choise (
 
 ```yml
 _version: 1
-hello: "Hello world"
-messages.hello: "Hello, %{name}"
+hello: 'Hello world'
+messages.hello: 'Hello, %{name}'
 
 # Generate short hashed keys using `minify_key=true, minify_key_thresh=10`
-4Cct6Q289b12SkvF47dXIx: "Hello, %{name}"
+4Cct6Q289b12SkvF47dXIx: 'Hello, %{name}'
 ```
 
 Or use JSON or TOML format, just rename the file to `en.json` or `en.toml`, and the content is like this:

benches/minify_key.rs

@@ -14,7 +14,7 @@ pub fn bench_t(c: &mut Criterion) {
 
     c.bench_function("t_with_locale", |b| b.iter(|| t!("hello", locale = "en")));
 
-    c.bench_function("tr_with_threads", |b| {
+    c.bench_function("t_with_threads", |b| {
         let exit_loop = std::sync::Arc::new(std::sync::atomic::AtomicBool::new(false));
         let mut handles = Vec::new();
         for _ in 0..4 {
@@ -32,7 +32,7 @@ pub fn bench_t(c: &mut Criterion) {
         }
     });
 
-    c.bench_function("tr_with_args", |b| {
+    c.bench_function("t_with_args", |b| {
         b.iter(|| {
             t!(
                 "Hello, %{name}. Your message is: %{msg}",
@@ -42,7 +42,7 @@ pub fn bench_t(c: &mut Criterion) {
         })
     });
 
-    c.bench_function("tr_with_args (str)", |b| {
+    c.bench_function("t_with_args (str)", |b| {
         b.iter(|| {
             t!(
                 "Hello, %{name}. Your message is: %{msg}",
@@ -52,7 +52,7 @@ pub fn bench_t(c: &mut Criterion) {
         })
     });
 
-    c.bench_function("tr_with_args (many)", |b| {
+    c.bench_function("t_with_args (many)", |b| {
         b.iter(|| {
             t!(
                 r#"Hello %{name} %{surname}, your account id is %{id}, email address is %{email}.

crates/cli/src/main.rs

@@ -63,7 +63,7 @@ fn translate_value_parser(s: &str) -> Result<(String, String), std::io::Error> {
     }
 }
 
-/// Add translations to the localize file for tr!
+/// Add translations to the localize file for t!
 fn add_translations(
     list: &[(String, String)],
     results: &mut HashMap<String, Message>,

crates/extract/src/generator.rs

@@ -28,7 +28,7 @@ pub fn generate<'a, P: AsRef<Path>>(
     eprintln!("Writing to {}\n", filename);
 
     let text = convert_text(&trs, format);
-    write_file(&output_path, &filename, &text)?;
+    write_file(&output_path, filename, &text)?;
 
     // Finally, return error for let CI fail
     let err = std::io::Error::new(std::io::ErrorKind::Other, "");
@@ -98,7 +98,7 @@ fn generate_result<'a, P: AsRef<Path>>(
             };
 
             trs.entry(key.clone())
-                .or_insert_with(HashMap::new)
+                .or_default()
                 .insert(locale.to_string(), value.to_string());
         }
     }
@@ -145,7 +145,7 @@ mod tests {
             "_version": 2
         }
         "#;
-        assert_eq_json(&result, &expect);
+        assert_eq_json(&result, expect);
 
         trs.insert("hello".to_string(), {
             let mut map = HashMap::new();
@@ -164,7 +164,7 @@ mod tests {
             }
         }
         "#;
-        assert_eq_json(&result, &expect);
+        assert_eq_json(&result, expect);
 
         let format = "yaml";
         let result = convert_text(&trs, format);