58 lines
1.0 KiB
Go
58 lines
1.0 KiB
Go
package maps
|
|
|
|
import "encoding/json"
|
|
|
|
func StrAnyMapToStruct[T any, M any](m M) (r T, err error) {
|
|
str, err := json.Marshal(m)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = json.Unmarshal(str, &r)
|
|
return
|
|
}
|
|
|
|
func StructToAnyMap[K comparable, T any](s T) (r map[K]any, err error) {
|
|
marshal, err := json.Marshal(s)
|
|
if err != nil {
|
|
return
|
|
}
|
|
r = make(map[K]any)
|
|
err = json.Unmarshal(marshal, &r)
|
|
return
|
|
}
|
|
|
|
func FilterToSlice[T any, K comparable, V any](m map[K]V, fn func(K, V) (T, bool)) (r []T) {
|
|
for k, v := range m {
|
|
vv, ok := fn(k, v)
|
|
if ok {
|
|
r = append(r, vv)
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
// AnyAnyToStrAny map[any]any => map[string]any 方便json转换
|
|
func AnyAnyToStrAny(m map[any]any) (r map[string]any) {
|
|
r = make(map[string]any)
|
|
for k, v := range m {
|
|
kk, ok := k.(string)
|
|
if ok {
|
|
vv, ok := v.(map[any]any)
|
|
if ok {
|
|
r[kk] = AnyAnyToStrAny(vv)
|
|
} else {
|
|
r[kk] = v
|
|
}
|
|
}
|
|
|
|
}
|
|
return
|
|
}
|
|
|
|
func Reduce[T, V any, K comparable](m map[K]V, fn func(K, V, T) T, r T) T {
|
|
for k, v := range m {
|
|
r = fn(k, v, r)
|
|
}
|
|
return r
|
|
}
|