This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
subv = v | |
destring = f.quoted | |
for _, i := range f.index { | |
if subv.Kind() == reflect.Ptr { | |
if subv.IsNil() { | |
subv.Set(reflect.New(subv.Type().Elem())) | |
} | |
subv = subv.Elem() | |
} | |
subv = subv.Field(i) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
switch v.Kind() { | |
case reflect.Map: | |
// Map key must either have string kind, have an integer kind, | |
// or be an encoding.TextUnmarshaler. | |
t := v.Type() | |
switch t.Key().Kind() { | |
case reflect.String, | |
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, | |
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: | |
default: |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Decoding into nil interface? Switch to non-reflect code. | |
if v.Kind() == reflect.Interface && v.NumMethod() == 0 { | |
v.Set(reflect.ValueOf(d.objectInterface())) | |
return | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
func (d *decodeState) unmarshal(v interface{}) (err error) { | |
<skip over some setup> | |
rv := reflect.ValueOf(v) | |
if rv.Kind() != reflect.Ptr || rv.IsNil() { | |
return &InvalidUnmarshalError{reflect.TypeOf(v)} | |
} | |
d.scan.reset() | |
// We decode rv not rv.Elem because the Unmarshaler interface | |
// test must be applied at the top level of the value. | |
d.value(rv) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
type Foo struct { | |
A int | |
} | |
func (f Foo) Double() int { | |
return f.A * 2 | |
} | |
type Bar struct { | |
Foo |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
func MakeStruct(vals ...interface{}) interface{} { | |
var sfs []reflect.StructField | |
for k, v := range vals { | |
t := reflect.TypeOf(v) | |
sf := reflect.StructField{ | |
Name: fmt.Sprintf("F%d", (k + 1)), | |
Type: t, | |
} | |
sfs = append(sfs, sf) | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
func MakeTimedFunction(f interface{}) interface{} { | |
rf := reflect.TypeOf(f) | |
if rf.Kind() != reflect.Func { | |
panic("expects a function") | |
} | |
vf := reflect.ValueOf(f) | |
wrapperF := reflect.MakeFunc(rf, func(in []reflect.Value) []reflect.Value { | |
start := time.Now() | |
out := vf.Call(in) | |
end := time.Now() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
func main() { | |
// declaring these vars, so I can make a reflect.Type | |
intSlice := make([]int, 0) | |
mapStringInt := make(map[string]int) | |
// here are the reflect.Types | |
sliceType := reflect.TypeOf(intSlice) | |
mapType := reflect.TypeOf(mapStringInt) | |
// and here are the new values that we are making |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
type Foo struct { | |
A int `tag1:"First Tag" tag2:"Second Tag"` | |
B string | |
} | |
func main() { | |
greeting := "hello" | |
f := Foo{A: 10, B: "Salutations"} | |
gVal := reflect.ValueOf(greeting) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
type Foo struct { | |
A int `tag1:"First Tag" tag2:"Second Tag"` | |
B string | |
} | |
func main() { | |
sl := []int{1, 2, 3} | |
greeting := "hello" | |
greetingPtr := &greeting | |
f := Foo{A: 10, B: "Salutations"} |