ptx: formatted code with cargo fmt

Author: CrazyRoka

src/uu/ptx/src/ptx.rs

@@ -306,10 +306,18 @@ fn create_word_set(
     filter: &WordFilter,
     file_map: &FileMap,
 ) -> UResult<BTreeSet<WordRef>> {
-    let reg = Regex::new(&filter.word_regex)
-        .map_err(|e| USimpleError::new(1, translate!("ptx-invalid-regular-expression", "error" => e)))?;
-    let ref_reg = Regex::new(&config.context_regex)
-        .map_err(|e| USimpleError::new(1, translate!("ptx-invalid-regular-expression", "error" => e)))?;
+    let reg = Regex::new(&filter.word_regex).map_err(|e| {
+        USimpleError::new(
+            1,
+            translate!("ptx-invalid-regular-expression", "error" => e),
+        )
+    })?;
+    let ref_reg = Regex::new(&config.context_regex).map_err(|e| {
+        USimpleError::new(
+            1,
+            translate!("ptx-invalid-regular-expression", "error" => e),
+        )
+    })?;
     let mut word_set: BTreeSet<WordRef> = BTreeSet::new();
     for (file, lines) in file_map {
         let mut count: usize = 0;

tests/by-util/test_ptx.rs

@@ -316,4 +316,4 @@ fn test_invalid_regex_word_unclosed_group() {
         .args(&["-W", "(wrong"])
         .fails_with_code(1)
         .stderr_contains("ptx: invalid regular expression");
-}
+}