From 5efc48ec310ac8e87d4035fc9ebf84c6772e8edd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julius=20=C5=A0ula?= <julius.sula@gmail.com>
Date: Fri, 14 Jan 2022 16:56:32 +0100
Subject: [PATCH] fix: change if statement to let Some, remove unnecessary
 import

---
 src/config.rs          | 6 +++---
 src/frontend/parser.rs | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/config.rs b/src/config.rs
index 0363696a..e749611a 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -296,11 +296,11 @@ pub enum HtmlMathmode {
 impl Config {
     /// [`validate_config`] validates if file and paths exist and if config does not contradict itself
     pub fn validate_config(&mut self) -> Result<(), UmError> {
-        if self.out_file.is_some() {
-            if !self.out_file.as_ref().unwrap().exists() {
+        if let Some(ref file) = self.out_file {
+            if !file.exists() {
                 let msg = format!(
                     "output_file: {} is not a valid file",
-                    self.out_file.as_ref().unwrap().to_str().unwrap()
+                    file.to_string_lossy()
                 );
                 return Err(UmError::Backend(BackendError::new(msg)));
             } else if !self.overwrite_out_files {
diff --git a/src/frontend/parser.rs b/src/frontend/parser.rs
index dfc66a2c..2164ddec 100644
--- a/src/frontend/parser.rs
+++ b/src/frontend/parser.rs
@@ -4,7 +4,6 @@ use pest::{iterators::Pair, iterators::Pairs, Parser, Span};
 use pest_derive::Parser;
 use std::fs;
 
-use crate::config;
 use crate::um_error::UmError;
 use crate::{
     config::Config,