mirai
2.15.0
common
mirai-core-api
/
net.mamoe.mirai.utils
/
ProgressionCallback
/
onFailure
on
Failure
open
fun
onFailure
(
subject
:
S
,
resource
:
ExternalResource
,
exception
:
Throwable
)
当操作以异常失败时调用.
在默认实现下只会由
onFinished
调用