Initial code for 'flows are cold' lecture

Author: LukasLechnerDev

app/src/main/java/com/lukaslechner/coroutineusecasesonandroid/playground/flow/hot_and_cold_flows/1-flows_are_cold.kt

@@ -0,0 +1,27 @@
+package com.lukaslechner.coroutineusecasesonandroid.playground.flow.hot_and_cold_flows
+
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
+
+fun coldFlow() = flow {
+    println("Emitting 1")
+    emit(1)
+
+    println("Emitting 2")
+    emit(2)
+
+    println("Emitting 3")
+    emit(3)
+}.onEach {
+    delay(1000)
+}
+
+suspend fun main(): Unit = coroutineScope {
+
+    coldFlow()
+        .collect {
+            println("Collector 1 collects: $it")
+        }
+}