changed fail symbol and added a prompt symbol

src/main.rs

@@ -1,6 +1,11 @@
 use std::{
 	env,
-	io::stdin
+	io::{
+		stdin,
+		stdout,
+
+		Write
+	}
 };
 
 use evalexpr::{
@@ -20,6 +25,8 @@ fn main() {
 	if expressions.len() == 0 {
 		println!("{}quickmaths v0.1.2{}\n{}Interactive Mode{}", style::Bold, style::Reset, style::Faint, style::Reset);
 		loop {
+			print!("> ");
+			stdout().flush().unwrap();
 			let mut i_line = String::new();
 			let line_result = stdin().read_line(&mut i_line);
 			if line_result.is_err() {
@@ -44,7 +51,7 @@ fn do_eval(i_expression: String, context: &mut HashMapContext) -> (String, Optio
 	let expression = i_expression.as_str();
 	let i_result = eval_with_context_mut(expression, context);
 	if i_result.is_err() {
-		return (format!("{}🞪 {}{}", color::Fg(color::Red), style::Bold, expression), None);
+		return (format!("{}✕ {}{}", color::Fg(color::Red), style::Bold, expression), None);
 	}
 	let result = i_result.ok().unwrap();
 	if result.is_empty() {