Created `parse_value()` function.

src/parse/parse.rs

@@ -32,6 +32,16 @@ pub fn parse_var_declaration(mut tokens: Lexer<Token>) -> Option<Expr> {
     tok
 }
 
+pub fn parse_value(token: (Token, &str)) -> Option<Value<'static>> {
+    let mut value = None;
+
+    if let Number(n) = token.0 {
+	value = Some(Value::Number(n));
+    } else if token.0 == Identifier {
+	value = Some(Value::Var(VarReference { name: token.1 }));
+    }
+}
+
 pub fn parse_fun_call(mut tokens: Lexer<Token>) -> Option<Expr> {
     // Is it an Ident? → Is it a LeftParen? → Is it a value (I should really make a function to parse that) or is it a RightParen?
     //                                              ↓                      						   ↓