add firstOf

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/bot/ktor/base/DownloadFileRequestCallFactory.kt

@@ -21,6 +21,7 @@ object DownloadFileRequestCallFactory : KtorCallFactory {
         jsonFormatter: Json,
     ): T? = (request as? DownloadFile)?.let {
         resolveFile(it.filePath) ?.let {
+            @Suppress("UNCHECKED_CAST")
             return@makeCall it.bytes() as T // Always ByteArray
         }
 

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/FirstOf.kt

@@ -0,0 +1,14 @@
+package dev.inmo.tgbotapi.utils
+
+import dev.inmo.micro_utils.coroutines.firstOf
+import kotlinx.coroutines.CoroutineScope
+
+suspend fun <T> CoroutineScope.firstOf(
+    vararg deferreds: suspend () -> T
+): T = firstOf {
+    deferreds.forEach {
+        add {
+            it()
+        }
+    }
+}