1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// Copyright © 2014 Steve Francia <spf@spf13.com>.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
package cast
import (
"reflect"
)
// From html/template/content.go
// Copyright 2011 The Go Authors. All rights reserved.
// indirect returns the value, after dereferencing as many times
// as necessary to reach the base type (or nil).
func indirect(i any) (any, bool) {
if i == nil {
return nil, false
}
if t := reflect.TypeOf(i); t.Kind() != reflect.Ptr {
// Avoid creating a reflect.Value if it's not a pointer.
return i, false
}
v := reflect.ValueOf(i)
for v.Kind() == reflect.Ptr || (v.Kind() == reflect.Interface && v.Elem().Kind() == reflect.Ptr) {
if v.IsNil() {
return nil, true
}
v = v.Elem()
}
return v.Interface(), true
}
|
