From fd3306343e3483261b58b385778fb8a5ccd44039 Mon Sep 17 00:00:00 2001
From: rhysd <lin90162@yahoo.co.jp>
Date: Fri, 14 Apr 2023 22:04:02 +0900
Subject: [PATCH] show explicit error message when both crossterm and termion
 are not enabled

---
 src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index ef42799..72a2e47 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,6 +10,14 @@
 ))]
 compile_error!("tui-rs support and ratatui support are exclussive. only one of them can be enabled at the same time. see https://github.com/rhysd/tui-textarea");
 
+#[cfg(not(any(
+    feature = "crossterm",
+    feature = "termion",
+    feature = "ratatui-crossterm",
+    feature = "ratatui-termion",
+)))]
+compile_error!("neither crossterm nor termion is enabled in features. see https://github.com/rhysd/tui-textarea");
+
 mod cursor;
 mod highlight;
 mod history;