feat(Go-Tool)：

2020/12/16: 添加YAML和结构体转换工具

vendor/github.com/ahmetb/go-linq/intersect.go

@@ -2,8 +2,8 @@ package linq
 
 // Intersect produces the set intersection of the source collection and the
 // provided input collection. The intersection of two sets A and B is defined as
-// the set that contains all the elements of A that also appear in B,
-// but no other elements.
+// the set that contains all the elements of A that also appear in B, but no
+// other elements.
 func (q Query) Intersect(q2 Query) Query {
 	return Query{
 		Iterate: func() Iterator {
@@ -31,14 +31,12 @@ func (q Query) Intersect(q2 Query) Query {
 
 // IntersectBy produces the set intersection of the source collection and the
 // provided input collection. The intersection of two sets A and B is defined as
-// the set that contains all the elements of A that also appear in B,
-// but no other elements.
+// the set that contains all the elements of A that also appear in B, but no
+// other elements.
 //
 // IntersectBy invokes a transform function on each element of both collections.
-func (q Query) IntersectBy(
-	q2 Query,
-	selector func(interface{}) interface{},
-) Query {
+func (q Query) IntersectBy(q2 Query,
+	selector func(interface{}) interface{}) Query {
 
 	return Query{
 		Iterate: func() Iterator {
@@ -65,3 +63,25 @@ func (q Query) IntersectBy(
 		},
 	}
 }
+
+// IntersectByT is the typed version of IntersectBy.
+//
+//   - selectorFn is of type "func(TSource) TSource"
+//
+// NOTE: IntersectBy has better performance than IntersectByT.
+func (q Query) IntersectByT(q2 Query,
+	selectorFn interface{}) Query {
+	selectorGenericFunc, err := newGenericFunc(
+		"IntersectByT", "selectorFn", selectorFn,
+		simpleParamValidator(newElemTypeSlice(new(genericType)), newElemTypeSlice(new(genericType))),
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	selectorFunc := func(item interface{}) interface{} {
+		return selectorGenericFunc.Call(item)
+	}
+
+	return q.IntersectBy(q2, selectorFunc)
+}