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This commit is contained in:
Ilmir Usmanov
2020-10-06 12:36:32 +02:00
committed by Ilmir Usmanov
parent 6a150fffe6
commit 4d1545d522
1 changed files with 3 additions and 3 deletions
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compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/coroutines-codegen.md
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@@ -1282,7 +1282,7 @@ abstract class RestrictedSuspendLambda(
) : RestrictedContinuationImpl(completion), FunctionBase<Any?>, SuspendFunction
```
the only difference from `SuspendLambda` is superclass. `SuspendLambda` inherits `ContinuationImpl`, while
`RestrictedSuspendLambda` inherits `RestrictedSuspendLambda`.
`RestrictedSuspendLambda` inherits `RestrictedContinuationImpl`.
#### SuspendFunction{N}
Every suspending lambda has a special suspend functional type: `SuspendFunction{N}`, where `{N}` is the number of lambda parameters. They
@@ -1894,8 +1894,8 @@ fun invokeSuspend($result: Any?): Any? {
}
```
After we resume the coroutine (its `label` value is `1`), `$result` is `42`, and it will get printed. That is right, a function returning
`Unit` appers returning non-`Unit`. To fix the issue, we replace returns unit markers with `POP; GETSTATIC kotlin/Unit.INSTANCE` sequence.
That way, we ignore the value, passed to `resume` the same way as if the was no suspension. By the way, we do the same in `callSuspend` and
`Unit` appears returning non-`Unit`. To fix the issue, we replace returns unit markers with `POP; GETSTATIC kotlin/Unit.INSTANCE` sequence.
That way, we ignore the value, passed to `resume` the same way as if there was no suspension. By the way, we do the same in `callSuspend` and
`callSuspendBy` functions.
However, we cannot always do the replacement, as shown in the following example: