From 25ed712fc9ba1f18fe2c1ce5524e2917160ae295 Mon Sep 17 00:00:00 2001
From: kercylan98 <kercylan@gmail.com>
Date: Fri, 14 Jul 2023 21:24:27 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20super=20=E5=8C=85=E6=94=AF=E6=8C=81=20m?=
 =?UTF-8?q?atch=20=E6=8E=A7=E5=88=B6=E5=87=BD=E6=95=B0?=
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---
 utils/super/match.go      | 34 ++++++++++++++++++++++++++++++++++
 utils/super/match_test.go | 24 ++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 utils/super/match.go
 create mode 100644 utils/super/match_test.go

diff --git a/utils/super/match.go b/utils/super/match.go
new file mode 100644
index 0000000..4c83a8b
--- /dev/null
+++ b/utils/super/match.go
@@ -0,0 +1,34 @@
+package super
+
+import "reflect"
+
+// Matcher 匹配器
+type Matcher[Value, Result any] struct {
+	value Value
+	r     Result
+	d     bool
+}
+
+// Match 匹配
+func Match[Value, Result any](value Value) *Matcher[Value, Result] {
+	return &Matcher[Value, Result]{
+		value: value,
+	}
+}
+
+// Case 匹配
+func (slf *Matcher[Value, Result]) Case(value Value, result Result) *Matcher[Value, Result] {
+	if !slf.d && reflect.DeepEqual(slf.value, value) {
+		slf.r = result
+		slf.d = true
+	}
+	return slf
+}
+
+// Default 默认
+func (slf *Matcher[Value, Result]) Default(value Result) Result {
+	if slf.d {
+		return slf.r
+	}
+	return value
+}
diff --git a/utils/super/match_test.go b/utils/super/match_test.go
new file mode 100644
index 0000000..3f094c0
--- /dev/null
+++ b/utils/super/match_test.go
@@ -0,0 +1,24 @@
+package super_test
+
+import (
+	"github.com/kercylan98/minotaur/utils/super"
+	. "github.com/smartystreets/goconvey/convey"
+	"testing"
+)
+
+func TestMatch(t *testing.T) {
+	Convey("TestMatch", t, func() {
+		So(super.Match[int, string](1).
+			Case(1, "a").
+			Case(2, "b").
+			Default("c"), ShouldEqual, "a")
+		So(super.Match[int, string](2).
+			Case(1, "a").
+			Case(2, "b").
+			Default("c"), ShouldEqual, "b")
+		So(super.Match[int, string](3).
+			Case(1, "a").
+			Case(2, "b").
+			Default("c"), ShouldEqual, "c")
+	})
+}