Code for twitter thread about why onClick handlers don't let you emit composables. https://twitter.com/zachklipp/status/1583165356322930688

CursedButtons.kt

import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.wrapContentSize
import androidx.compose.material.Button
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier

@Composable
fun CursedButtonDemo() {
    var counter by remember { mutableStateOf(0) }
    Column(modifier = Modifier.wrapContentSize()) {
        Text("Counter: $counter")
        CursedButton(
            onClick = {
                counter++
                {
                    CursedButton(
                        onClick = {
                            counter++
                            {
                                Text("STOP CLICKING!!")
                            }
                        },
                    ) {
                        Text("Thanks for humoring me")
                    }
                }
            }
        ) {
            Text("Click me!")
        }
    }
}

@Composable
fun CursedButtonDemo2() {
    var counter by remember { mutableStateOf(0) }
    Column(modifier = Modifier.wrapContentSize()) {
        Text("Counter: $counter")
        CursedButton2(
            onClick = {
                LaunchedEffect(Unit) {
                    counter++
                }
                CursedButton2(
                    onClick = {
                        LaunchedEffect(Unit) {
                            counter++
                        }
                        Text("STOP CLICKING!!")
                    },
                ) {
                    Text("Thanks for humoring me")
                }
            }
        ) {
            Text("Click me!")
        }
    }
}

@Composable
fun BlessedButtonDemo() {
    var counter by remember { mutableStateOf(0) }
    Column(modifier = Modifier.wrapContentSize()) {
        Text("Counter: $counter")
        when (counter) {
            0 -> Button(onClick = { counter++ }) {
                Text("Click me!")
            }

            1 -> Button(onClick = { counter++ }) {
                Text("Thanks for humoring me")
            }

            else -> Text("STOP CLICKING!!")
        }
    }
}

@Composable
fun CursedButton(
    onClick: () -> @Composable () -> Unit,
    modifier: Modifier = Modifier,
    content: @Composable () -> Unit
) {
    val (actualContent, updateContent) = remember {
        mutableStateOf<(@Composable () -> Unit)?>(null)
    }

    if (actualContent != null) {
        Box(modifier = modifier, propagateMinConstraints = true) {
            actualContent()
        }
    } else {
        Button(
            onClick = { updateContent(onClick()) },
            modifier = modifier
        ) {
            content()
        }
    }
}

@Composable
fun CursedButton2(
    onClick: @Composable () -> Unit,
    modifier: Modifier = Modifier,
    content: @Composable () -> Unit
) {
    val (actualContent, updateContent) = remember {
        mutableStateOf<(@Composable () -> Unit)?>(null)
    }

    if (actualContent != null) {
        Box(modifier = modifier, propagateMinConstraints = true) {
            actualContent()
        }
    } else {
        Button(
            onClick = { updateContent(onClick) },
            modifier = modifier
        ) {
            content()
        }
    }
}