From 1d17503122c192d2135cb9be60eeacd7750c8768 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Fri, 10 Dec 2021 00:06:45 +0800
Subject: [PATCH] 1

---
 .gitignore    |  2 ++
 src/lib.rs    |  4 ++++
 src/xvalue.rs | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 src/xvalue.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b1646c2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+target/
+*.lock
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 1b4a90c..a1c3b5e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,3 +6,7 @@ mod tests {
         assert_eq!(result, 4);
     }
 }
+
+mod xvalue;
+
+pub use xvalue::XValue;
diff --git a/src/xvalue.rs b/src/xvalue.rs
new file mode 100644
index 0000000..51bacea
--- /dev/null
+++ b/src/xvalue.rs
@@ -0,0 +1,35 @@
+pub enum XValue<T> {
+    _IntVal(i64),
+    _UserData(T)
+}
+
+
+impl<T> XValue<T> {
+
+    pub fn new() -> Self {
+        return XValue::<T>::_IntVal(0);
+    }
+
+    pub fn get_i64(&self) -> i64 {
+        match self {
+            XValue::_IntVal(v) => {
+                return *v;
+            },
+            XValue::_UserData(_v) => {
+                return 0;
+            }
+        }
+    }
+
+    pub fn set_i64(&mut self, val: i64) {
+        match self {
+            XValue::_IntVal(v) => {
+                *v = val;
+            },
+            XValue::_UserData(_v) => {
+                *self = XValue::<T>::_IntVal(0);
+            }
+        }
+    }
+
+}