feat(Go-Tool)：2020/12/14:添加validator.v8源码解析和使用示例

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

@@ -1,7 +1,8 @@
 package linq
 
-// Except produces the set difference of two sequences. The set difference is
-// the members of the first sequence that don't appear in the second sequence.
+// Except produces the set difference of two sequences.
+// The set difference is the members of the first sequence
+// that don't appear in the second sequence.
 func (q Query) Except(q2 Query) Query {
 	return Query{
 		Iterate: func() Iterator {
@@ -26,11 +27,12 @@ func (q Query) Except(q2 Query) Query {
 	}
 }
 
-// ExceptBy invokes a transform function on each element of a collection and
-// produces the set difference of two sequences. The set difference is the
-// members of the first sequence that don't appear in the second sequence.
-func (q Query) ExceptBy(q2 Query,
-	selector func(interface{}) interface{}) Query {
+// ExceptBy invokes a transform function on each element of a collection
+// and produces the set difference of two sequences.
+// The set difference is the members of the first sequence
+// that don't appear in the second sequence.
+func (q Query) ExceptBy(
+	q2 Query, selector func(interface{}) interface{}) Query {
 	return Query{
 		Iterate: func() Iterator {
 			next := q.Iterate()
@@ -55,25 +57,3 @@ func (q Query) ExceptBy(q2 Query,
 		},
 	}
 }
-
-// ExceptByT is the typed version of ExceptBy.
-//
-//   - selectorFn is of type "func(TSource) TSource"
-//
-// NOTE: ExceptBy has better performance than ExceptByT.
-func (q Query) ExceptByT(q2 Query,
-	selectorFn interface{}) Query {
-	selectorGenericFunc, err := newGenericFunc(
-		"ExceptByT", "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.ExceptBy(q2, selectorFunc)
-}