If you have already created the login function as a Kotlin suspend function and want to add the "Continuation" type to it, you can do so by modifying the function signature in the following way:
From:
suspend fun login(username: String, password: String): Boolean {
...
}
To:
suspend fun login(username: String, password: String, continuation: Continuation<Boolean>) {
...
}
This will add an additional parameter to the function which is of type "Continuation<boolean>". The continuation can be used to resume the function execution after it has been suspended due to a suspend call. You can then use the "continuation.resume(value)" function to pass the result of the login operation.
Here's an example implementation:
suspend fun login(username: String, password: String, continuation: Continuation<Boolean>) {
// Perform login operation
val isLoggedIn = performLogin(username, password)
// Resume the function with the login result
continuation.resume(isLoggedIn)
}
// Example usage
runBlocking {
val isLoggedIn = login("johndoe", "password", object : Continuation<Boolean> {
override val context: CoroutineContext = EmptyCoroutineContext
override fun resumeWith(result: Result<Boolean>) {
// Handle the login result
}
})
}
Note that you can also use a lambda expression instead of an anonymous class to simplify the usage of the continuation parameter. For example:
suspend fun login(username: String, password: String, continuation: Continuation<Boolean>) {
// Perform login operation
val isLoggedIn = performLogin(username, password)
// Resume the function with the login result
continuation.resume(isLoggedIn)
}
// Example usage
runBlocking {
val isLoggedIn = login("johndoe", "password") { result ->
// Handle the login result
}
}
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Asked: 2021-08-28 11:00:00 +0000
Seen: 11 times
Last updated: Apr 17 '21
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