From ff6025a26312dd2e098fb2d6e3920eecffdad217 Mon Sep 17 00:00:00 2001
From: Justin Wernick <justin@worthe-it.co.za>
Date: Tue, 21 Feb 2023 11:46:09 +0200
Subject: Prompt in a loop

---
 src/main.rs | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index b40b9ca..f5f96b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,21 @@
-fn main() {
-    print!(">");
+use std::error::Error;
+use std::{io, io::Write};
+
+fn prompt() -> Result<(), Box<dyn Error>> {
+    print!("> ");
+    io::stdout().flush()?;
+    Ok(())
+}
+
+fn read_stdin() -> Result<String, Box<dyn Error>> {
+    let mut buffer = String::new();
+    io::stdin().read_line(&mut buffer)?;
+    Ok(buffer)
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    loop {
+        prompt()?;
+        let _user_input = read_stdin()?;
+    }
 }
-- 
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