Rework lib/array.js functions using async/await pattern

js/processor/lib/arrays.js

@@ -12,12 +12,12 @@ import { StoreValue } from '../store/value/store_value';
  */
 
 export function createNumElementsFun () {
-  const numElementsFun = (sto, _) => {
+  const numElementsFun = async (sto, _) => {
     const vector  = sto.applyStore("vector");
     const temp = new StoreValue(Types.INTEGER, toInt(vector.lines));
     sto.mode = Modes.RETURN;
     sto.insertStore("$", temp);
-    return Promise.resolve(sto);
+    return sto;
   }
 
   const block = new Commands.CommandBlock([],  [new Commands.SysCall(numElementsFun)]);
@@ -28,12 +28,12 @@ export function createNumElementsFun () {
  }
 
 export function createMatrixLinesFun () {
-  const matrixLinesFun = (sto, _) => {
+  const matrixLinesFun = async (sto, _) => {
     const matrix  = sto.applyStore("matrix");
     const temp = new StoreValue(Types.INTEGER, toInt(matrix.lines));
     sto.mode = Modes.RETURN;
     sto.insertStore("$", temp);
-    return Promise.resolve(sto);
+    return sto;
   }
 
   const block = new Commands.CommandBlock([],  [new Commands.SysCall(matrixLinesFun)]);
@@ -44,12 +44,12 @@ export function createMatrixLinesFun () {
  }
 
 export function createMatrixColumnsFun () {
-  const matrixColumnsFun = (sto, _) => {
+  const matrixColumnsFun = async (sto, _) => {
     const matrix  = sto.applyStore("matrix");
     const temp = new StoreValue(Types.INTEGER, toInt(matrix.columns));
     sto.mode = Modes.RETURN;
     sto.insertStore("$", temp);
-    return Promise.resolve(sto);
+    return sto;
   }
 
   const block = new Commands.CommandBlock([],  [new Commands.SysCall(matrixColumnsFun)]);