mirai
2.13.4
common
mirai-core-api
/
net.mamoe.mirai.utils
/
ProgressionCallback
/
onFailure
on
Failure
common
open
fun
onFailure
(
subject
:
S
,
resource
:
ExternalResource
,
exception
:
Throwable
)
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当操作以异常失败时调用.
在默认实现下只会由
onFinished
调用