diff --git a/memory.js b/memory.js
index 430ad38..80cfd43 100644
--- a/memory.js
+++ b/memory.js
@@ -1,7 +1,24 @@
 class ProcessableData {
+    /**
+     * @param {Uint8Array} data 
+     * @param {number} from 
+     * @param {number} to 
+     */
     constructor(data, from = 0, to){
-        if(data){
-            this.data = data;
+        if(data)
+        {
+            if(data instanceof ArrayBuffer)
+            {
+                this.data = new Uint8Array(data);
+            }else if(data instanceof Uint8Array)
+            {
+                this.data = data;
+            }else if(typeof data == "number")
+            {
+                this.data = new Uint8Array(data);
+            }else{
+                throw new Error("data is not type ArrayBuffer or Uint8Array");
+            }
             this.init(from, to);
         }
     }
@@ -256,7 +273,7 @@ class ConstructedData extends ProcessableData {
             is4Byte,
             is8Byte,
             issigned,
-            255
+            0
         );
 
         if(isInt == false)
@@ -483,6 +500,12 @@ class DataAnchor extends ConstructedData {
 }
 
 class DataStructure {
+    constructor(structure){
+        if(typeof structure == "string")
+        {
+            this.setHeadSigner(structure);
+        }
+    }
     /** @type {boolean} */
     sign = true;
     /** @type {string} */
@@ -494,6 +517,13 @@ class DataStructure {
     /** @type {any} */
     value = null;
     size = 1;
+    reset(){
+        this.size = 1;
+        this.fixedLength = true;
+        this.list = true;
+        this.type = "uint8";
+        this.sign = true;
+    }
     /** @param {DataAnchor} da  */
     setData(da){
         let dataCost = da.getProcessor(this.type);
@@ -534,11 +564,11 @@ class DataStructure {
     }
     /** @param {DataAnchor} da  */
     getData(da){
-        let result = null, sign;
+        let result = null;
         if(this.sign == true)
         {
             // Verinin içine veri türüni işliyor
-            sign = da.readUInt8();
+            this.type = da.readUInt8();
         }
         let dataCost = da.getProcessor(this.type);
         if(this.fixedLength == false && this.list == true)
@@ -551,7 +581,7 @@ class DataStructure {
             if(this.list == true)
             {
                 result = [];
-                for (const data of this.value)
+                for (let t = 0;t < this.size; t++)
                 {
                     result.push(dataCost.read());
                 }
@@ -562,13 +592,13 @@ class DataStructure {
             if(this.list == true)
             {
                 result = [];
-                for (const data of this.value)
+                for (let t = 0;t < this.size; t++)
                 {
-                    let length = da.readVarNumber(data.length);
+                    let length = da.readVarNumber();
                     result.push(dataCost.read(length));
                 }
             }else{
-                let length = da.readVarNumber(data.length);
+                let length = da.readVarNumber();
                 result = dataCost.read(length);
             }
         }
@@ -576,23 +606,63 @@ class DataStructure {
     }
     /** @param {string} dataSigner  */
     setHeadSigner(dataSigner){
-        let regex = /^(\w+)(\[\d*\])?$/.exec(dataSigner);
+        let regex = /^(\w+)(\?)(\[\d*\])?$/.exec(dataSigner);
 
-        if(regex[1] == 'any')
+        if(regex[1] != 'any')
+        {
+            this.type = regex[1];
+        }
+
+        if(regex[2] == '?')
         {
             this.sign = true;
         }else{
             this.sign = false;
-            this.type = regex[1];
         }
 
-        if(regex[2])
+        if(regex[3])
         {
             this.list = true;
-            this.fixedLength = regex[2] != '[]'
-            this.size = regex[2].slice(1,-1) | 0;
+            this.fixedLength = regex[3] != '[]'
+            this.size = regex[3].slice(1,-1) | 0;
         }else{
             this.list = false;
         }
     }
-}
+    getHeadSigner(){
+        let t = [];
+        if(this.sign)
+        {
+            t.push('any')
+        }else{
+            t.push(this.type)
+        }
+        if(this.list)
+        {
+            if(this.fixedLength == false)
+            {
+                t.push('[]')
+            }else{
+                t.push('[', this.size,']')
+            }
+        }
+        return t.join('')
+    }
+    static ds = new DataStructure();
+    /**
+     * @param {string} sign 
+     */
+    static settle(da, sign, value, size)
+    {
+        this.ds.setHeadSigner(sign);
+        this.ds.value = value;
+        typeof size == "number" && (this.ds.size = size);
+        this.ds.setData(da);
+        this.ds.reset();
+    }
+    static gettle(da, sign)
+    {
+        this.ds.setHeadSigner(sign);
+        return this.ds.getData(da);
+    }
+}
\ No newline at end of file