Add WJ

Author: bugadani

clippy_lints/src/unicode.rs

@@ -91,14 +91,17 @@ fn escape<T: Iterator<Item = char>>(s: T) -> String {
 
 fn check_str(cx: &LateContext<'_>, span: Span, id: HirId) {
     let string = snippet(cx, span, "");
-    if string.chars().any(|c| ['\u{200B}', '\u{ad}'].contains(&c)) {
+    if string.chars().any(|c| ['\u{200B}', '\u{ad}', '\u{2060}'].contains(&c)) {
         span_lint_and_sugg(
             cx,
             INVISIBLE_CHARACTERS,
             span,
             "invisible character detected",
             "consider replacing the string with",
-            string.replace("\u{200B}", "\\u{200B}").replace("\u{ad}", "\\u{AD}"),
+            string
+                .replace("\u{200B}", "\\u{200B}")
+                .replace("\u{ad}", "\\u{AD}")
+                .replace("\u{2060}", "\\u{2060}"),
             Applicability::MachineApplicable,
         );
     }

tests/ui/unicode.rs

@@ -4,6 +4,8 @@ fn zero() {
     print!("This\u{200B}is\u{200B}fine");
     print!("Here >­< is a SHY, and ­another");
     print!("This\u{ad}is\u{ad}fine");
+    print!("Here >⁠< is a WJ, and ⁠another");
+    print!("This\u{2060}is\u{2060}fine");
 }
 
 #[warn(clippy::unicode_not_nfc)]

tests/ui/unicode.stderr

@@ -12,21 +12,27 @@ error: invisible character detected
 LL |     print!("Here >­< is a SHY, and ­another");
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing the string with: `"Here >/u{AD}< is a SHY, and /u{AD}another"`
 
+error: invisible character detected
+  --> $DIR/unicode.rs:7:12
+   |
+LL |     print!("Here >⁠< is a WJ, and ⁠another");
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider replacing the string with: `"Here >/u{2060}< is a WJ, and /u{2060}another"`
+
 error: non-NFC Unicode sequence detected
-  --> $DIR/unicode.rs:11:12
+  --> $DIR/unicode.rs:13:12
    |
 LL |     print!("̀àh?");
    |            ^^^^^ help: consider replacing the string with: `"̀àh?"`
    |
    = note: `-D clippy::unicode-not-nfc` implied by `-D warnings`
 
 error: literal non-ASCII character detected
-  --> $DIR/unicode.rs:17:12
+  --> $DIR/unicode.rs:19:12
    |
 LL |     print!("Üben!");
    |            ^^^^^^^ help: consider replacing the string with: `"/u{dc}ben!"`
    |
    = note: `-D clippy::non-ascii-literal` implied by `-D warnings`
 
-error: aborting due to 4 previous errors
+error: aborting due to 5 previous errors