Prepare playground file for lecture 'Buffers in SharedFlows and StateFlows'

Author: LukasLechnerDev

app/src/main/java/com/lukaslechner/coroutineusecasesonandroid/playground/flow/concurrency/9_buffer_in_sharedflow.kt

@@ -0,0 +1,30 @@
+package com.lukaslechner.coroutineusecasesonandroid.playground.flow.concurrency
+
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.launch
+import kotlin.system.measureTimeMillis
+
+suspend fun main(): Unit = coroutineScope {
+
+    val flow = MutableSharedFlow<Int>()
+
+    // Collector 1
+    launch {
+        flow.collect {
+            println("Collector 1 processes $it")
+        }
+    }
+
+    // Emitter
+    launch {
+        val timeToEmit = measureTimeMillis {
+            repeat(5) {
+                flow.emit(it)
+                delay(10)
+            }
+        }
+        println("Time to emit all values: $timeToEmit ms")
+    }
+}