added version line to interpreter mode and bumped version

Cargo.lock

@@ -28,7 +28,7 @@ checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
 
 [[package]]
 name = "quickmaths"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "evalexpr",
  "termion",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "quickmaths"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/main.rs

@@ -1,13 +1,6 @@
 use std::{env, io::stdin};
 
-use evalexpr::{
-	//context_map,
-	eval_with_context_mut,
-
-	ContextWithMutableVariables,
-	HashMapContext,
-	Value,
-};
+use evalexpr::{eval_with_context_mut, HashMapContext, Value};
 use termion::{color, style};
 
 fn main() {
@@ -15,12 +8,17 @@ fn main() {
 	let mut context = HashMapContext::new();
 	let expressions: Vec<String> = env::args().skip(1).collect();
 	if expressions.len() == 0 {
+		println!("{}quickmaths v0.1.1{}", style::Bold, style::Reset);
 		loop {
 			let mut i_line = String::new();
 			let line_result = stdin().read_line(&mut i_line);
-			if line_result.is_err() { break; }
+			if line_result.is_err() {
+				break;
+			}
 			let line = i_line.trim().to_string();
-			if line.is_empty() { break; }
+			if line.is_empty() {
+				break;
+			}
 			let result = do_eval(line, &mut context);
 			println!("{}{}{}", result.0, color::Fg(color::Reset), style::Reset);
 		}
@@ -36,11 +34,28 @@ 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() {
-		return (format!("{}✓ {}{}", color::Fg(color::Green), style::Bold, expression), None);
+		return (
+			format!("{}✓ {}{}", color::Fg(color::Green), style::Bold, expression),
+			None,
+		);
 	}
-	return (format!("{}{}{}{} = {}{}", style::Faint, style::Italic, expression, style::Reset, style::Bold, result), Some(result));
+	return (
+		format!(
+			"{}{}{}{} = {}{}",
+			style::Faint,
+			style::Italic,
+			expression,
+			style::Reset,
+			style::Bold,
+			result
+		),
+		Some(result),
+	);
 }