func labelType(t reflect.Type) bool {
switch t.Kind() {
case reflect.Interface, reflect.Struct:
return true
}
return false
}
// lessFunc returns a function that implements the "<" operator
// for the given type, or nil if the type doesn't support "<" .
func lessFunc(t reflect.Type) func(v1, v2 interface{}) bool {
switch t.Kind() {
case reflect.String:
return func(v1, v2 interface{}) bool { return v1.(string) < v2.(string) }
case reflect.Int:
return func(v1, v2 interface{}) bool { return v1.(int) < v2.(int) }
case reflect.Int8:
return func(v1, v2 interface{}) bool { return v1.(int8) < v2.(int8) }
case reflect.Int16:
return func(v1, v2 interface{}) bool { return v1.(int16) < v2.(int16) }
case reflect.Int32:
return func(v1, v2 interface{}) bool { return v1.(int32) < v2.(int32) }
case reflect.Int64:
return func(v1, v2 interface{}) bool { return v1.(int64) < v2.(int64) }
case reflect.Uint:
return func(v1, v2 interface{}) bool { return v1.(uint) < v2.(uint) }
case reflect.Uint8:
return func(v1, v2 interface{}) bool { return v1.(uint8) < v2.(uint8) }
case reflect.Uint16:
return func(v1, v2 interface{}) bool { return v1.(uint16) < v2.(uint16) }
case reflect.Uint32:
return func(v1, v2 interface{}) bool { return v1.(uint32) < v2.(uint32) }
case reflect.Uint64:
return func(v1, v2 interface{}) bool { return v1.(uint64) < v2.(uint64) }
case reflect.Float32:
return func(v1, v2 interface{}) bool { return v1.(float32) < v2.(float32) }
case reflect.Float64:
return func(v1, v2 interface{}) bool { return v1.(float64) < v2.(float64) }
default:
return nil
}
}
// Copy matching Lua table entries to a struct, given the struct type
// and the index on the Lua stack.
func CopyTableToStruct(L *lua.State, t reflect.Type, idx int) interface{} {
was_ptr := t.Kind() == reflect.Ptr
if was_ptr {
t = t.Elem()
}
s := reflect.New(t) // T -> *T
ref := s.Elem()
L.PushNil()
if idx < 0 {
idx--
}
for L.Next(idx) != 0 {
key := L.ToString(-2)
f := ref.FieldByName(strings.Title(key))
if f.IsValid() {
val := luaToGoValue(L, f.Type(), -1)
f.Set(val)
}
L.Pop(1)
}
if was_ptr {
return s.Interface()
}
return s.Elem().Interface()
}
func getComparator(dt reflect.Type) (funcPointer interface{}) {
switch dt.Kind() {
case reflect.Int:
funcPointer = func(a, b int) int64 { return int64(a - b) }
case reflect.Int8:
funcPointer = func(a, b int8) int64 { return int64(a - b) }
case reflect.Int16:
funcPointer = func(a, b int16) int64 { return int64(a - b) }
case reflect.Int32:
funcPointer = func(a, b int32) int64 { return int64(a - b) }
case reflect.Uint:
funcPointer = func(a, b uint) int64 { return int64(a - b) }
case reflect.Uint8:
funcPointer = func(a, b uint8) int64 { return int64(a - b) }
case reflect.Uint16:
funcPointer = func(a, b uint16) int64 { return int64(a - b) }
case reflect.Uint32:
funcPointer = func(a, b uint32) int64 { return int64(a - b) }
case reflect.Uint64:
funcPointer = func(a, b uint64) int64 { return int64(a - b) }
case reflect.Int64:
funcPointer = func(a, b int64) int64 { return a - b }
case reflect.Float32:
funcPointer = DefaultFloat32Comparator
case reflect.Float64:
funcPointer = DefaultFloat64Comparator
case reflect.String:
funcPointer = DefaultStringComparator
default:
log.Panicf("No default comparator for %s:%s", dt.String(), dt.Kind().String())
}
return
}
// canBeNil reports whether an untyped nil can be assigned to the type. See reflect.Zero.
//
// Copied from Go stdlib src/text/template/exec.go.
func canBeNil(typ reflect.Type) bool {
switch typ.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
return true
}
return false
}
func getSetter(outt reflect.Type, out reflect.Value) Setter {
setterMutex.RLock()
style := setterStyle[outt]
setterMutex.RUnlock()
if style == setterNone {
return nil
}
if style == setterUnknown {
setterMutex.Lock()
defer setterMutex.Unlock()
if outt.Implements(setterIface) {
setterStyle[outt] = setterType
} else if reflect.PtrTo(outt).Implements(setterIface) {
setterStyle[outt] = setterAddr
} else {
setterStyle[outt] = setterNone
return nil
}
style = setterStyle[outt]
}
if style == setterAddr {
if !out.CanAddr() {
return nil
}
out = out.Addr()
} else if outt.Kind() == reflect.Ptr && out.IsNil() {
out.Set(reflect.New(outt.Elem()))
}
return out.Interface().(Setter)
}
// sizeof returns the size >= 0 of variables for the given type or -1 if the type is not acceptable.
func sizeof(t reflect.Type) int {
switch t.Kind() {
case reflect.Array:
if s := sizeof(t.Elem()); s >= 0 {
return s * t.Len()
}
case reflect.Struct:
sum := 0
for i, n := 0, t.NumField(); i < n; i++ {
s := sizeof(t.Field(i).Type)
if s < 0 {
return -1
}
sum += s
}
return sum
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128, reflect.Ptr:
return int(t.Size())
}
return -1
}
func defaultType(t reflect.Type) TypeDesc {
switch t.Kind() {
case reflect.Bool:
return BooleanType
case reflect.String:
return UTF8Type
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return LongType
case reflect.Float32:
return FloatType
case reflect.Float64:
return DoubleType
case reflect.Array:
if t.Name() == "UUID" && t.Size() == 16 {
return UUIDType
}
return UnknownType
case reflect.Struct:
if t.Name() == "Time" && t.PkgPath() == "time" {
return DateType
}
return UnknownType
case reflect.Slice:
if et := t.Elem(); et.Kind() == reflect.Uint8 {
return BytesType
}
return UnknownType
}
return UnknownType
}
// Recursively check composite literals, where a child composite lit's type depends the
// parent's type For example, the expression [][]int{{1,2},{3,4}} contains two
// slice lits, {1,2} and {3,4}, but their types are inferenced from the parent [][]int{}.
func checkCompositeLitR(lit *ast.CompositeLit, t reflect.Type, env Env) (*CompositeLit, []error) {
alit := &CompositeLit{CompositeLit: lit}
// We won't generate any errors here if the given type does not match lit.Type.
// The caller will need to detect the type incompatibility.
if lit.Type != nil {
var errs []error
lit.Type, t, _, errs = checkType(lit.Type, env)
if errs != nil {
return alit, errs
}
} else if t == nil {
return alit, []error{ErrMissingCompositeLitType{alit}}
}
alit.knownType = knownType{t}
if alit.CompositeLit.Elts != nil {
alit.Elts = make([]Expr, len(alit.CompositeLit.Elts))
}
switch t.Kind() {
case reflect.Map:
return checkCompositeLitMap(alit, t, env)
case reflect.Array, reflect.Slice:
return checkCompositeLitArrayOrSlice(alit, t, env)
case reflect.Struct:
return checkCompositeLitStruct(alit, t, env)
default:
panic("eval: unimplemented composite lit " + t.Kind().String())
}
}
// Convert a string into the specified type. Return the type's zero value
// if we receive an empty string
func convert(t reflect.Type, value string) (reflect.Value, error) {
if value == "" {
return reflect.ValueOf(nil), nil
}
var d time.Duration
switch t {
case reflect.TypeOf(d):
result, err := time.ParseDuration(value)
return reflect.ValueOf(result), err
default:
}
switch t.Kind() {
case reflect.String:
return reflect.ValueOf(value), nil
case reflect.Int:
return parseInt(value)
case reflect.Bool:
return parseBool(value)
}
return reflect.ValueOf(nil), conversionError(value, `unsupported `+t.Kind().String())
}
func unflattenValue(v reflect.Value, t reflect.Type) reflect.Value {
// When t is an Interface, we can't do much, since we don't know the
// original (unflattened) type of the value placed in v, so we just nop it.
if t.Kind() == reflect.Interface {
return v
}
// v can be invalid, if it holds the nil value for pointer type
if !v.IsValid() {
return v
}
// Make sure v is indeed flat
if v.Kind() == reflect.Ptr {
panic("unflattening non-flat value")
}
// Add a *, one at a time
for t.Kind() == reflect.Ptr {
if v.CanAddr() {
v = v.Addr()
} else {
pw := reflect.New(v.Type())
pw.Elem().Set(v)
v = pw
}
t = t.Elem()
}
return v
}
// prepareMethod returns a methodType for the provided method or nil
// in case if the method was unsuitable.
func prepareMethod(method reflect.Method) *methodType {
mtype := method.Type
mname := method.Name
var replyType, argType, contextType reflect.Type
stream := false
// Method must be exported.
if method.PkgPath != "" {
return nil
}
switch mtype.NumIn() {
case 3:
// normal method
argType = mtype.In(1)
replyType = mtype.In(2)
contextType = nil
case 4:
// method that takes a context
argType = mtype.In(2)
replyType = mtype.In(3)
contextType = mtype.In(1)
default:
log.Println("method", mname, "of", mtype, "has wrong number of ins:", mtype.NumIn())
return nil
}
// First arg need not be a pointer.
if !isExportedOrBuiltinType(argType) {
log.Println(mname, "argument type not exported:", argType)
return nil
}
// the second argument will tell us if it's a streaming call
// or a regular call
if replyType == typeOfStream {
// this is a streaming call
stream = true
} else if replyType.Kind() != reflect.Ptr {
log.Println("method", mname, "reply type not a pointer:", replyType)
return nil
}
// Reply type must be exported.
if !isExportedOrBuiltinType(replyType) {
log.Println("method", mname, "reply type not exported:", replyType)
return nil
}
// Method needs one out.
if mtype.NumOut() != 1 {
log.Println("method", mname, "has wrong number of outs:", mtype.NumOut())
return nil
}
// The return type of the method must be error.
if returnType := mtype.Out(0); returnType != typeOfError {
log.Println("method", mname, "returns", returnType.String(), "not error")
return nil
}
return &methodType{method: method, ArgType: argType, ReplyType: replyType, ContextType: contextType, stream: stream}
}
// AddExt registers an encode and decode function for a reflect.Type.
// Note that the type must be a named type, and specifically not
// a pointer or Interface. An error is returned if that is not honored.
//
// To Deregister an ext, call AddExt with 0 tag, nil encfn and nil decfn.
func (o *extHandle) AddExt(
rt reflect.Type,
tag byte,
encfn func(reflect.Value) ([]byte, error),
decfn func(reflect.Value, []byte) error,
) (err error) {
// o is a pointer, because we may need to initialize it
if rt.PkgPath() == "" || rt.Kind() == reflect.Interface {
err = fmt.Errorf("codec.Handle.AddExt: Takes named type, especially not a pointer or interface: %T",
reflect.Zero(rt).Interface())
return
}
// o cannot be nil, since it is always embedded in a Handle.
// if nil, let it panic.
// if o == nil {
// err = errors.New("codec.Handle.AddExt: extHandle cannot be a nil pointer.")
// return
// }
rtid := reflect.ValueOf(rt).Pointer()
for _, v := range *o {
if v.rtid == rtid {
v.tag, v.encFn, v.decFn = tag, encfn, decfn
return
}
}
*o = append(*o, &extTypeTagFn{rtid, rt, tag, encfn, decfn})
return
}
func sizeof(t reflect.Type) (int, error) {
switch t.Kind() {
case reflect.Array:
n, err := sizeof(t.Elem())
if err != nil {
return 0, err
}
return t.Len() * n, nil
case reflect.Struct:
sum := 0
for i, n := 0, t.NumField(); i < n; i++ {
s, err := sizeof(t.Field(i).Type)
if err != nil {
return 0, err
}
sum += s
}
return sum, nil
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128:
return int(t.Size()), nil
}
return 0, errors.New("invalid type " + t.String())
}
// alignment returns the alignment of values of type t.
func alignment(t reflect.Type) int {
switch t {
case variantType:
return 1
case objectPathType:
return 4
case signatureType:
return 1
case interfacesType:
return 4
}
switch t.Kind() {
case reflect.Uint8:
return 1
case reflect.Uint16, reflect.Int16:
return 2
case reflect.Uint32, reflect.Int32, reflect.String, reflect.Array, reflect.Slice, reflect.Map:
return 4
case reflect.Uint64, reflect.Int64, reflect.Float64, reflect.Struct:
return 8
case reflect.Ptr:
return alignment(t.Elem())
}
return 1
}
// callSliceRequired returns true if CallSlice is required instead of Call.
func callSliceRequired(param reflect.Type, val reflect.Value) bool {
vt := val.Type()
for param.Kind() == reflect.Slice {
if val.Kind() == reflect.Interface {
val = reflect.ValueOf(val.Interface())
vt = val.Type()
}
if vt.Kind() != reflect.Slice {
return false
}
vt = vt.Elem()
if val.Kind() != reflect.Invalid {
if val.Len() > 0 {
val = val.Index(0)
} else {
val = reflect.Value{}
}
}
param = param.Elem()
}
return true
}
// makeWriter creates a writer function for the given type.
func makeWriter(typ reflect.Type) (writer, error) {
kind := typ.Kind()
switch {
case typ.Implements(encoderInterface):
return writeEncoder, nil
case kind != reflect.Ptr && reflect.PtrTo(typ).Implements(encoderInterface):
return writeEncoderNoPtr, nil
case kind == reflect.Interface:
return writeInterface, nil
case typ.AssignableTo(reflect.PtrTo(bigInt)):
return writeBigIntPtr, nil
case typ.AssignableTo(bigInt):
return writeBigIntNoPtr, nil
case isUint(kind):
return writeUint, nil
case kind == reflect.Bool:
return writeBool, nil
case kind == reflect.String:
return writeString, nil
case kind == reflect.Slice && isByte(typ.Elem()):
return writeBytes, nil
case kind == reflect.Array && isByte(typ.Elem()):
return writeByteArray, nil
case kind == reflect.Slice || kind == reflect.Array:
return makeSliceWriter(typ)
case kind == reflect.Struct:
return makeStructWriter(typ)
case kind == reflect.Ptr:
return makePtrWriter(typ)
default:
return nil, fmt.Errorf("rlp: type %v is not RLP-serializable", typ)
}
}
// implementsInterface reports whether the type implements the
// gobEncoder/gobDecoder interface.
// It also returns the number of indirections required to get to the
// implementation.
func implementsInterface(typ, gobEncDecType reflect.Type) (success bool, indir int8) {
if typ == nil {
return
}
rt := typ
// The type might be a pointer and we need to keep
// dereferencing to the base type until we find an implementation.
for {
if rt.Implements(gobEncDecType) {
return true, indir
}
if p := rt; p.Kind() == reflect.Ptr {
indir++
if indir > 100 { // insane number of indirections
return false, 0
}
rt = p.Elem()
continue
}
break
}
// No luck yet, but if this is a base type (non-pointer), the pointer might satisfy.
if typ.Kind() != reflect.Ptr {
// Not a pointer, but does the pointer work?
if reflect.PtrTo(typ).Implements(gobEncDecType) {
return true, -1
}
}
return false, 0
}
func fieldType(t reflect.Type) byte {
switch t.Kind() {
case reflect.Bool:
return TypeBool
case reflect.Int8, reflect.Uint8:
return TypeByte
case reflect.Int16:
return TypeI16
case reflect.Int32, reflect.Int:
return TypeI32
case reflect.Int64:
return TypeI64
case reflect.Float64:
return TypeDouble
case reflect.Map:
return TypeMap
case reflect.Slice:
elemType := t.Elem()
if elemType.Kind() == reflect.Uint8 {
return TypeString
} else {
return TypeList
}
case reflect.Struct:
return TypeStruct
case reflect.String:
return TypeString
case reflect.Interface, reflect.Ptr:
return fieldType(t.Elem())
}
panic(&UnsupportedTypeError{t})
}
// hasUnrecognizedKeys finds unrecognized keys and warns about them on stderr.
// returns false when no unrecognized keys were found, true otherwise.
func hasUnrecognizedKeys(inCfg interface{}, refType reflect.Type) (warnings bool) {
if refType.Kind() == reflect.Ptr {
refType = refType.Elem()
}
switch inCfg.(type) {
case map[interface{}]interface{}:
ks := inCfg.(map[interface{}]interface{})
keys:
for key := range ks {
for i := 0; i < refType.NumField(); i++ {
sf := refType.Field(i)
tv := sf.Tag.Get("yaml")
if tv == key {
if warn := hasUnrecognizedKeys(ks[key], sf.Type); warn {
warnings = true
}
continue keys
}
}
glog.Errorf("Unrecognized keyword: %v", key)
warnings = true
}
case []interface{}:
ks := inCfg.([]interface{})
for i := range ks {
if warn := hasUnrecognizedKeys(ks[i], refType.Elem()); warn {
warnings = true
}
}
default:
}
return
}
func checkArrayValue(expr ast.Expr, eltT reflect.Type, env Env) (Expr, []error) {
switch eltT.Kind() {
case reflect.Array, reflect.Slice, reflect.Map, reflect.Struct:
if lit, ok := expr.(*ast.CompositeLit); ok {
return checkCompositeLitR(lit, eltT, env)
}
}
aexpr, ok, errs := checkExprAssignableTo(expr, eltT, env)
if !ok {
// NOTE[crc] this hack removes conversion errors from consts other
// than strings and nil to match the output of gc.
if ccerr, ok := errs[0].(ErrBadConstConversion); ok {
if ccerr.from == ConstNil {
// No ErrBadArrayValue for nil
return aexpr, errs
} else if ccerr.from != ConstString {
// gc implementation only displays string conversion errors
errs = nil
}
}
errs = append(errs, ErrBadArrayValue{aexpr, eltT})
}
return aexpr, errs
}
// Add all necessary imports for the type, recursing as appropriate.
func addImportsForType(imports importMap, t reflect.Type) {
// Add any import needed for the type itself.
addImportForType(imports, t)
// Handle special cases where recursion is needed.
switch t.Kind() {
case reflect.Array, reflect.Chan, reflect.Ptr, reflect.Slice:
addImportsForType(imports, t.Elem())
case reflect.Func:
// Input parameters.
for i := 0; i < t.NumIn(); i++ {
addImportsForType(imports, t.In(i))
}
// Return values.
for i := 0; i < t.NumOut(); i++ {
addImportsForType(imports, t.Out(i))
}
case reflect.Map:
addImportsForType(imports, t.Key())
addImportsForType(imports, t.Elem())
}
}
func generatemethodsEx(t reflect.Type, ignorefunc func(name string) bool, callobject string, name func(t reflect.Type, m reflect.Method) string) (methods string) {
t2 := t
if t.Kind() == reflect.Ptr {
t2 = t.Elem()
}
for i := 0; i < t.NumMethod(); i++ {
var (
m = t.Method(i)
reason string
)
if m.Name[0] != strings.ToUpper(m.Name[:1])[0] {
reason = "unexported"
goto skip
}
if ignorefunc != nil && ignorefunc(m.Name) {
reason = "in skip list"
goto skip
}
if m, err := generatemethod(m, t2, callobject, name(t2, m)); err != nil {
reason = err.Error()
goto skip
} else {
methods += m
}
continue
skip:
fmt.Printf("Skipping method %s.%s: %s\n", t2, m.Name, reason)
}
return
}
// Returns the type of the elements of N slice(s). If the type is different,
// another slice or undefined, returns an error.
func sliceElementType(slices ...[]interface{}) (reflect.Type, error) {
var prevType reflect.Type
for _, s := range slices {
// Go through elements of all given slices and make sure they are all the same type.
for _, v := range s {
currentType := reflect.TypeOf(v)
if prevType == nil {
prevType = currentType
// We don't support lists of lists yet.
if prevType.Kind() == reflect.Slice {
return nil, errNoListOfLists
}
} else {
if prevType != currentType {
return nil, fmt.Errorf("list element types are not identical: %v", fmt.Sprint(slices))
}
prevType = currentType
}
}
}
if prevType == nil {
return nil, fmt.Errorf("no elements in any of the given slices")
}
return prevType, nil
}
func (m MySQLDialect) ToSqlType(val reflect.Type, maxsize int, isAutoIncr bool) string {
switch val.Kind() {
case reflect.Int, reflect.Int16, reflect.Int32:
return "int"
case reflect.Int64:
return "bigint"
case reflect.Float64, reflect.Float32:
return "double"
case reflect.Slice:
if val.Elem().Kind() == reflect.Uint8 {
return "mediumblob"
}
}
switch val.Name() {
case "NullableInt64":
return "bigint"
case "NullableFloat64":
return "double"
case "NullableBool":
return "tinyint"
case "NullableBytes":
return "mediumblob"
}
if maxsize < 1 {
maxsize = 255
}
return fmt.Sprintf("varchar(%d)", maxsize)
}
func (d SqliteDialect) ToSqlType(val reflect.Type, maxsize int, isAutoIncr bool) string {
switch val.Kind() {
case reflect.Ptr:
return d.ToSqlType(val.Elem(), maxsize, isAutoIncr)
case reflect.Bool:
return "integer"
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return "integer"
case reflect.Float64, reflect.Float32:
return "real"
case reflect.Slice:
if val.Elem().Kind() == reflect.Uint8 {
return "blob"
}
}
switch val.Name() {
case "NullInt64":
return "integer"
case "NullFloat64":
return "real"
case "NullBool":
return "integer"
case "Time":
return "datetime"
}
if maxsize < 1 {
maxsize = 255
}
return fmt.Sprintf("varchar(%d)", maxsize)
}
// reflectTypeToJSONType returns a string that represents the JSON type
// associated with the provided Go type.
func reflectTypeToJSONType(xT descLookupFunc, rt reflect.Type) string {
kind := rt.Kind()
if isNumeric(kind) {
return xT("json-type-numeric")
}
switch kind {
case reflect.String:
return xT("json-type-string")
case reflect.Bool:
return xT("json-type-bool")
case reflect.Array, reflect.Slice:
return xT("json-type-array") + reflectTypeToJSONType(xT,
rt.Elem())
case reflect.Struct:
return xT("json-type-object")
case reflect.Map:
return xT("json-type-object")
}
return xT("json-type-value")
}
func MakeTypeInfo(rt reflect.Type) *TypeInfo {
info := &TypeInfo{Type: rt}
// If struct, register field name options
if rt.Kind() == reflect.Struct {
numFields := rt.NumField()
structFields := []StructFieldInfo{}
for i := 0; i < numFields; i++ {
field := rt.Field(i)
if field.PkgPath != "" {
continue
}
skip, opts := getOptionsFromField(field)
if skip {
continue
}
structFields = append(structFields, StructFieldInfo{
Index: i,
Type: field.Type,
Options: opts,
})
}
info.Fields = structFields
}
return info
}
func baseType(t reflect.Type, expected reflect.Kind) (reflect.Type, error) {
t = reflectx.Deref(t)
if t.Kind() != expected {
return nil, fmt.Errorf("expected %s but got %s", expected, t.Kind())
}
return t, nil
}
// reflectWithProperType does the opposite thing with setWithProperType.
func reflectWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
switch t.Kind() {
case reflect.String:
key.SetValue(field.String())
case reflect.Bool,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Float64,
reflectTime:
key.SetValue(fmt.Sprint(field))
case reflect.Slice:
vals := field.Slice(0, field.Len())
if field.Len() == 0 {
return nil
}
var buf bytes.Buffer
isTime := fmt.Sprint(field.Type()) == "[]time.Time"
for i := 0; i < field.Len(); i++ {
if isTime {
buf.WriteString(vals.Index(i).Interface().(time.Time).Format(time.RFC3339))
} else {
buf.WriteString(fmt.Sprint(vals.Index(i)))
}
buf.WriteString(delim)
}
key.SetValue(buf.String()[:buf.Len()-1])
default:
return fmt.Errorf("unsupported type '%s'", t)
}
return nil
}
