@@ -41,9 +41,9 @@ pub enum CommandList {
4141 UNKNOWN ,
4242}
4343
44- impl std:: string :: ToString for CommandList {
45- fn to_string ( & self ) -> String {
46- return format ! ( "{:?}" , self ) ;
44+ impl std:: fmt :: Display for CommandList {
45+ fn fmt ( & self , f : & mut std :: fmt :: Formatter < ' _ > ) -> std :: fmt :: Result {
46+ write ! ( f , "{:?}" , self )
4747 }
4848}
4949
@@ -112,7 +112,7 @@ impl CommandManager {
112112
113113 let mut slice: Vec < & str > = message. split ( ' ' ) . collect ( ) ;
114114
115- let command_str = match slice. get ( 0 ) {
115+ let command_str = match slice. first ( ) {
116116 Some ( v) => v,
117117 None => "unknown" ,
118118 } ;
@@ -177,7 +177,7 @@ impl CommandManager {
177177
178178 // log in to dorea db [AUTH]
179179 if command == CommandList :: AUTH {
180- let input_password = slice. get ( 0 ) . unwrap ( ) ;
180+ let input_password = slice. first ( ) . unwrap ( ) ;
181181
182182 let local_password = & config. connection . connection_password ;
183183
@@ -199,7 +199,7 @@ impl CommandManager {
199199 }
200200
201201 if command == CommandList :: SET {
202- let key = slice. get ( 0 ) . unwrap ( ) ;
202+ let key = slice. first ( ) . unwrap ( ) ;
203203 let value = slice. get ( 1 ) . unwrap ( ) ;
204204
205205 let data_value = DataValue :: from ( value) ;
@@ -258,7 +258,7 @@ impl CommandManager {
258258 }
259259
260260 if command == CommandList :: GET {
261- let key = slice. get ( 0 ) . unwrap ( ) . to_string ( ) ;
261+ let key = slice. first ( ) . unwrap ( ) . to_string ( ) ;
262262
263263 // 为读取增加 1 的权重
264264 database_manager
@@ -281,7 +281,7 @@ impl CommandManager {
281281 // 惰性删除数据
282282 let exp = v. timestamp ( ) ;
283283 let current_time = chrono:: Local :: now ( ) . timestamp ( ) as u64 ;
284- if current_time >= ( exp. 0 as u64 + exp. 1 ) as u64 && exp. 1 != 0 {
284+ if current_time >= ( exp. 0 as u64 + exp. 1 ) && exp. 1 != 0 {
285285 let _ = database_manager
286286 . lock ( )
287287 . await
@@ -308,7 +308,7 @@ impl CommandManager {
308308 }
309309
310310 if command == CommandList :: DELETE {
311- let key = slice. get ( 0 ) . unwrap ( ) ;
311+ let key = slice. first ( ) . unwrap ( ) ;
312312
313313 // 为删除数据增加 5 的权重
314314 database_manager
@@ -355,7 +355,7 @@ impl CommandManager {
355355 }
356356
357357 if command == CommandList :: SELECT {
358- let db_name = slice. get ( 0 ) . unwrap ( ) ;
358+ let db_name = slice. first ( ) . unwrap ( ) ;
359359
360360 // 将当前使用的库加入到 DB统计 中(防止被动态卸载)
361361 crate :: server:: db_stat_set ( * connect_id, db_name. to_string ( ) ) . await ;
@@ -378,7 +378,7 @@ impl CommandManager {
378378 // @key 数据内部信息获取
379379
380380 if command == CommandList :: INFO {
381- let argument: & str = slice. get ( 0 ) . unwrap ( ) ;
381+ let argument: & str = slice. first ( ) . unwrap ( ) ;
382382
383383 if argument == "current" {
384384 return ( NetPacketState :: OK , current. as_bytes ( ) . to_vec ( ) ) ;
@@ -489,7 +489,7 @@ impl CommandManager {
489489 ) ;
490490 }
491491
492- let sub_info: & str = sub_arg. get ( 0 ) . unwrap_or ( & "" ) ;
492+ let sub_info: & str = sub_arg. first ( ) . unwrap_or ( & "" ) ;
493493 let mut _result: String = format ! ( "{:?}" , data) ;
494494
495495 if sub_info == "expire" {
@@ -519,7 +519,7 @@ impl CommandManager {
519519 // sort 对数组进行排序(仅支持 list )
520520 // reverse 对数组进行反转(仅支持 list )
521521 if command == CommandList :: EDIT {
522- let key: & str = slice. get ( 0 ) . unwrap ( ) ;
522+ let key: & str = slice. first ( ) . unwrap ( ) ;
523523 let operation: & str = slice. get ( 1 ) . unwrap ( ) ;
524524
525525 if & key[ 0 ..1 ] == "@" {
@@ -600,7 +600,7 @@ impl CommandManager {
600600 let mut incr_num = 1 ;
601601
602602 if sub_arg. len ( ) == 1 {
603- let number: & str = sub_arg. get ( 0 ) . unwrap ( ) ;
603+ let number: & str = sub_arg. first ( ) . unwrap ( ) ;
604604 incr_num = number. parse :: < i32 > ( ) . unwrap_or ( 1 ) ;
605605 }
606606
@@ -613,7 +613,7 @@ impl CommandManager {
613613 ) ;
614614 }
615615
616- let data: & str = sub_arg. get ( 0 ) . unwrap ( ) ;
616+ let data: & str = sub_arg. first ( ) . unwrap ( ) ;
617617
618618 match & data[ 0 ..1 ] {
619619 "+" => {
@@ -659,7 +659,7 @@ impl CommandManager {
659659 ) ;
660660 }
661661
662- let data: & str = sub_arg. get ( 0 ) . unwrap ( ) ;
662+ let data: & str = sub_arg. first ( ) . unwrap ( ) ;
663663 let mut idx: & str = "" ;
664664
665665 if sub_arg. len ( ) == 2 {
@@ -688,7 +688,7 @@ impl CommandManager {
688688 ) ;
689689 }
690690
691- let key = sub_arg. get ( 0 ) . unwrap ( ) ;
691+ let key = sub_arg. first ( ) . unwrap ( ) ;
692692
693693 _result = edit_operation:: remove ( origin_value, key. to_string ( ) ) ;
694694 } else if operation == "push" {
@@ -702,7 +702,7 @@ impl CommandManager {
702702 ) ;
703703 }
704704
705- let data = sub_arg. get ( 0 ) . unwrap ( ) ;
705+ let data = sub_arg. first ( ) . unwrap ( ) ;
706706
707707 let data_val = DataValue :: from ( data) ;
708708
@@ -738,19 +738,13 @@ impl CommandManager {
738738 ) ;
739739 }
740740
741- let asc: bool ;
742-
743741 // 检查排序方式
744- if !sub_arg. is_empty ( ) {
745- let temp: & str = sub_arg. get ( 0 ) . unwrap_or ( & "asc" ) ;
746- if temp. to_uppercase ( ) == "DESC" {
747- asc = false ;
748- } else {
749- asc = true ;
750- }
742+ let asc = if !sub_arg. is_empty ( ) {
743+ let temp: & str = sub_arg. first ( ) . unwrap_or ( & "asc" ) ;
744+ temp. to_uppercase ( ) != "DESC"
751745 } else {
752- asc = true ;
753- }
746+ true
747+ } ;
754748
755749 _result = edit_operation:: sort ( origin_value, asc) ;
756750 } else if operation == "reverse" {
@@ -798,7 +792,7 @@ impl CommandManager {
798792 }
799793
800794 if command == CommandList :: VALUE {
801- let operation: & str = slice. get ( 0 ) . unwrap ( ) ;
795+ let operation: & str = slice. first ( ) . unwrap ( ) ;
802796
803797 if operation == "style" {
804798 if slice. len ( ) < 2 {
@@ -824,7 +818,7 @@ impl CommandManager {
824818 }
825819
826820 if command == CommandList :: DB {
827- let operation: & str = slice. get ( 0 ) . unwrap ( ) ;
821+ let operation: & str = slice. first ( ) . unwrap ( ) ;
828822
829823 if operation == "unload" {
830824 if slice. len ( ) != 2 {
@@ -914,10 +908,7 @@ impl CommandManager {
914908 ) ;
915909 } else if operation == "num" {
916910 let size = database_manager. lock ( ) . await . db_list . len ( ) ;
917- return (
918- NetPacketState :: OK ,
919- format ! ( "{}" , size) . as_bytes ( ) . to_vec ( ) ,
920- ) ;
911+ return ( NetPacketState :: OK , format ! ( "{}" , size) . as_bytes ( ) . to_vec ( ) ) ;
921912 } else if operation == "lock" {
922913 if slice. len ( ) != 2 {
923914 return (
@@ -1028,7 +1019,7 @@ impl CommandManager {
10281019 ) ;
10291020 }
10301021
1031- let target: & str = slice. get ( 0 ) . unwrap ( ) ;
1022+ let target: & str = slice. first ( ) . unwrap ( ) ;
10321023
10331024 if target. to_uppercase ( ) == "SERVICE" {
10341025 return (
@@ -1078,7 +1069,7 @@ impl CommandManager {
10781069 }
10791070
10801071 if command == CommandList :: SERVICE {
1081- let operation: & str = slice. get ( 0 ) . unwrap ( ) ;
1072+ let operation: & str = slice. first ( ) . unwrap ( ) ;
10821073
10831074 if operation == "account" || operation == "acc" {
10841075 if !database_manager. lock ( ) . await . db_list . contains_key ( "system" )
@@ -1133,7 +1124,7 @@ impl CommandManager {
11331124 let password: & str = slice. get ( 3 ) . unwrap ( ) ;
11341125
11351126 // if username is `master`, we cannot register it.
1136- // because this name is a
1127+ // because this name is a
11371128 if username == "master" {
11381129 return (
11391130 NetPacketState :: ERR ,
@@ -1301,7 +1292,7 @@ impl CommandManager {
13011292
13021293 // 暂时不支持具体内容查询(这玩意我确实无法进行设计qwq)
13031294 if command == CommandList :: SEARCH {
1304- let expression: & str = slice. get ( 0 ) . unwrap ( ) ;
1295+ let expression: & str = slice. first ( ) . unwrap ( ) ;
13051296
13061297 let mut limit = 0 ;
13071298
@@ -1336,10 +1327,10 @@ impl CommandManager {
13361327 }
13371328
13381329 // unknown operation.
1339- return (
1330+ (
13401331 NetPacketState :: ERR ,
13411332 "Unknown operation." . as_bytes ( ) . to_vec ( ) ,
1342- ) ;
1333+ )
13431334 }
13441335}
13451336
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