fix #43

CHANGELOG.md

@@ -1,3 +1,6 @@
+# Version 2.13.2 : Bug fix
+Fix #43 
+
 # Version 2.13.1 : Bug fix
 Fix the issue of the function never used (moved implementation to the test
 module)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mini-calc"
-version = "2.13.1"
+version = "2.13.2"
 license = "GPL-3.0-or-later"
 description = "A fully-featured minimalistic configurable rust calculator"
 homepage = "https://calc.nwa2coco.fr"

src/configuration/loader.rs

@@ -131,7 +131,7 @@ pub fn load_color(string: String) -> Color {
 
 pub fn replace_variable(str: String) -> String {
     str.replace("%author%", "Charlotte Thomas")
-        .replace("%version%", "v2.13.1")
+        .replace("%version%", "v2.13.2")
         .to_string()
 }
 

src/lexing/lexer.rs

@@ -115,7 +115,15 @@ pub fn lex(input: String) -> Vec<Token> {
 
     let length = input.len();
     while current_pos < input.len() {
-        let current_character: char = chars.get(current_pos).unwrap().to_ascii_lowercase();
+        let peeking_char = chars.get(current_pos);
+        let current_character: char;
+        match peeking_char {
+            None => {
+                current_pos += 1;
+                continue;
+            }
+            Some(t) => current_character = t.to_ascii_lowercase(),
+        }
         if !is_an_allowed_char(current_character) {
             current_pos += 1;
             continue;

src/main.rs

@@ -262,7 +262,7 @@ fn handle_config(line: &str, config: Config) -> (String, Option<Config>) {
 fn main() {
     let mut args: Args = env::args();
 
-    let version: String = "v2.13.1".to_string();
+    let version: String = "v2.13.2".to_string();
     if args.len() > 1 || !atty::is(Stream::Stdin) {
         let mut a = vec![];
 
@@ -293,7 +293,6 @@ fn main() {
             exit(0);
         }
 
-
         if arg_final == "-u" || arg_final == "--update" {
             if cfg!(target_os = "windows") {
                 Command::new("cmd")
@@ -311,7 +310,6 @@ fn main() {
             exit(0);
         }
 
-
         let lexed = lex(arg_final);
         let mut parser = init_calc_parser(&lexed);
         let parsed = parser.parse();

src/parsing/ast.rs

@@ -271,7 +271,7 @@ impl Parameters {
 #[cfg(test)]
 mod test {
     use crate::parsing::ast::{Ast, Parameters};
-    
+
     impl Ast {
         pub fn new(p: Parameters) -> Self {
             Ast::Node {