From 1c4f84d7657ff9c0e8329e91d82478ab098a681c Mon Sep 17 00:00:00 2001
From: charlie <3140647@qq.com>
Date: Tue, 29 Mar 2022 10:39:39 +0800
Subject: [PATCH] expr

---
 expr/expr.go      | 9 +++++++++
 expr/expr_test.go | 9 +++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 expr/expr.go
 create mode 100644 expr/expr_test.go

diff --git a/expr/expr.go b/expr/expr.go
new file mode 100644
index 0000000..f9b43ca
--- /dev/null
+++ b/expr/expr.go
@@ -0,0 +1,9 @@
+package expr
+
+// 如为真返回参数一，否则返回参数二
+func If[T any](e bool, v1, v2 T) T {
+	if e {
+		return v1
+	}
+	return v2
+}
diff --git a/expr/expr_test.go b/expr/expr_test.go
new file mode 100644
index 0000000..40873b4
--- /dev/null
+++ b/expr/expr_test.go
@@ -0,0 +1,9 @@
+package expr
+
+import "testing"
+
+func TestIf(t *testing.T) {
+	v1 := 10
+	v2 := 4
+	t.Log(If(v1 > v2, v1, v2))
+}