From 7c242d998fdebb4e10b28447fdfba850941f3c2e Mon Sep 17 00:00:00 2001
From: Luke <luke.k.xu@hotmail.com>
Date: Sun, 3 Aug 2025 00:08:56 +0800
Subject: [PATCH] =?UTF-8?q?test:=20=E6=9B=B4=E6=96=B0=20Demo20?=
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---
 playground/Demo/Demo20/Main.snow |  9 +++++----
 playground/Demo/Demo20/OS.snow   | 11 +++++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)
 create mode 100644 playground/Demo/Demo20/OS.snow

diff --git a/playground/Demo/Demo20/Main.snow b/playground/Demo/Demo20/Main.snow
index 94dd6ea..c3ba2e4 100644
--- a/playground/Demo/Demo20/Main.snow
+++ b/playground/Demo/Demo20/Main.snow
@@ -1,11 +1,12 @@
 module: Main
-    import: os
+    import:os
     function: main
-        return_type: double
+        return_type: void
         body:
-            declare n: double[] = [10.0]
+            declare arr: int[] = [1, 2, 3]
+            arr[0] = 5
 
-            return n[0] + 1.0
+            os.print(arr[0])
         end body
     end function
 end module
diff --git a/playground/Demo/Demo20/OS.snow b/playground/Demo/Demo20/OS.snow
new file mode 100644
index 0000000..6026d43
--- /dev/null
+++ b/playground/Demo/Demo20/OS.snow
@@ -0,0 +1,11 @@
+module: os
+    import: os
+    function: print
+        parameter:
+            declare i1: int
+        return_type: void
+        body:
+            syscall("PRINT",i1)
+        end body
+    end function
+end module
\ No newline at end of file