Implement NyashBox trait for core boxes - ArrayBox, BufferBox, FileBox, JSONBox, FutureBox, StreamBox, ResultBox

Co-authored-by: moe-charm <217100418+moe-charm@users.noreply.github.com>

src/boxes/buffer/mod.rs

@@ -2,21 +2,72 @@
 // Nyashの箱システムによるバイナリデータ処理を提供します。
 // 参考: 既存Boxの設計思想
 
+use crate::box_trait::{NyashBox, StringBox, BoolBox};
+use std::any::Any;
+
+#[derive(Debug, Clone)]
 pub struct BufferBox {
     pub data: Vec<u8>,
+    id: u64,
 }
 
 impl BufferBox {
     pub fn new() -> Self {
-        BufferBox { data: Vec::new() }
+        static mut COUNTER: u64 = 0;
+        let id = unsafe {
+            COUNTER += 1;
+            COUNTER
+        };
+        BufferBox { 
+            data: Vec::new(),
+            id,
+        }
     }
+    
     pub fn from_vec(data: Vec<u8>) -> Self {
-        BufferBox { data }
+        static mut COUNTER: u64 = 0;
+        let id = unsafe {
+            COUNTER += 1;
+            COUNTER
+        };
+        BufferBox { data, id }
     }
+    
     pub fn len(&self) -> usize {
         self.data.len()
     }
+    
     pub fn as_slice(&self) -> &[u8] {
         &self.data
     }
 }
+
+impl NyashBox for BufferBox {
+    fn clone_box(&self) -> Box<dyn NyashBox> {
+        Box::new(self.clone())
+    }
+
+    fn to_string_box(&self) -> StringBox {
+        StringBox::new(format!("BufferBox({} bytes)", self.data.len()))
+    }
+
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
+
+    fn type_name(&self) -> &'static str {
+        "BufferBox"
+    }
+
+    fn box_id(&self) -> u64 {
+        self.id
+    }
+
+    fn equals(&self, other: &dyn NyashBox) -> BoolBox {
+        if let Some(other_buffer) = other.as_any().downcast_ref::<BufferBox>() {
+            BoolBox::new(self.data == other_buffer.data)
+        } else {
+            BoolBox::new(false)
+        }
+    }
+}