trait: Make CodeMetrics trait private

Author: Luni-4

src/macros.rs

@@ -222,7 +222,7 @@ macro_rules! mk_code {
     ( $( ($camel:ident, $code:ident, $parser:ident, $name:ident, $docname:expr) ),* ) => {
         $(
             pub struct $code { _guard: (), }
-            impl CodeMetricsT for $code { }
+            impl private::CodeMetricsT for $code { }
 
             impl TSLanguage for $code {
                 type BaseLang = $camel;

src/parser.rs

@@ -12,7 +12,7 @@ use crate::node::Node;
 use crate::preproc::{get_macros, PreprocResults};
 use crate::traits::*;
 
-pub struct Parser<T: TSLanguage + Checker + Getter + Alterator + CodeMetricsT> {
+pub struct Parser<T: TSLanguage + Checker + Getter + Alterator + private::CodeMetricsT> {
     code: Vec<u8>,
     tree: Tree,
     phantom: PhantomData<T>,
@@ -63,7 +63,7 @@ fn get_fake_code<T: TSLanguage>(
     }
 }
 
-impl<T: 'static + TSLanguage + Checker + Getter + Alterator + CodeMetricsT> ParserTrait
+impl<T: 'static + TSLanguage + Checker + Getter + Alterator + private::CodeMetricsT> ParserTrait
     for Parser<T>
 {
     type Checker = T;

src/traits.rs

@@ -36,10 +36,13 @@ pub trait Callback {
     fn call<T: ParserTrait>(cfg: Self::Cfg, parser: &T) -> Self::Res;
 }
 
-#[doc(hidden)]
-pub trait CodeMetricsT:
-    Cognitive + Cyclomatic + Exit + Halstead + NArgs + Loc + Nom + Mi + Wmc + Abc + Npm + Npa
-{
+pub(crate) mod private {
+    use super::*;
+
+    pub trait CodeMetricsT:
+        Cognitive + Cyclomatic + Exit + Halstead + NArgs + Loc + Nom + Mi + Wmc + Abc + Npm + Npa
+    {
+    }
 }
 
 #[doc(hidden)]