9dffe9573b
We already point these out quite aggressively, telling people not to use them, but would normally be rendered as nothing. Having them visible will make it easier for people to actually deal with them.
```
error: unicode codepoint changing visible direction of text present in literal
--> $DIR/unicode-control-codepoints.rs:26:22
|
LL | println!("{:?}", '�');
| ^-^
| ||
| |'\u{202e}'
| this literal contains an invisible unicode text flow control codepoint
|
= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
= help: if their presence wasn't intentional, you can remove them
help: if you want to keep them but make them visible in your source code, you can escape them
|
LL | println!("{:?}", '\u{202e}');
| ~~~~~~~~
```
vs the previous
```
error: unicode codepoint changing visible direction of text present in literal
--> $DIR/unicode-control-codepoints.rs:26:22
|
LL | println!("{:?}", '');
| ^-
| ||
| |'\u{202e}'
| this literal contains an invisible unicode text flow control codepoint
|
= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
= help: if their presence wasn't intentional, you can remove them
help: if you want to keep them but make them visible in your source code, you can escape them
|
LL | println!("{:?}", '\u{202e}');
| ~~~~~~~~
```
193 lines
9.4 KiB
Plaintext
193 lines
9.4 KiB
Plaintext
error: unicode escape in byte string
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--> $DIR/unicode-control-codepoints.rs:6:26
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LL | println!("{:?}", b"us\u{202B}e\u{202A}r");
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| ^^^^^^^^ unicode escape in byte string
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= help: unicode escape sequences cannot be used as a byte or in a byte string
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error: unicode escape in byte string
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--> $DIR/unicode-control-codepoints.rs:6:35
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LL | println!("{:?}", b"us\u{202B}e\u{202A}r");
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| ^^^^^^^^ unicode escape in byte string
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= help: unicode escape sequences cannot be used as a byte or in a byte string
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error: non-ASCII character in byte string literal
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--> $DIR/unicode-control-codepoints.rs:16:26
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LL | println!("{:?}", b"/*<2A> } <20>if isAdmin<69> <20> begin admins only ");
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| ^ must be ASCII but is '\u{202e}'
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help: if you meant to use the UTF-8 encoding of '\u{202e}', use \xHH escapes
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LL | println!("{:?}", b"/*\xE2\x80\xAE } <20>if isAdmin<69> <20> begin admins only ");
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| ~~~~~~~~~~~~
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error: non-ASCII character in byte string literal
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--> $DIR/unicode-control-codepoints.rs:16:30
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LL | println!("{:?}", b"/*<2A> } <20>if isAdmin<69> <20> begin admins only ");
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| ^ must be ASCII but is '\u{2066}'
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help: if you meant to use the UTF-8 encoding of '\u{2066}', use \xHH escapes
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LL | println!("{:?}", b"/*<2A> } \xE2\x81\xA6if isAdmin<69> <20> begin admins only ");
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| ~~~~~~~~~~~~
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error: non-ASCII character in byte string literal
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--> $DIR/unicode-control-codepoints.rs:16:41
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LL | println!("{:?}", b"/*<2A> } <20>if isAdmin<69> <20> begin admins only ");
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| ^ must be ASCII but is '\u{2069}'
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help: if you meant to use the UTF-8 encoding of '\u{2069}', use \xHH escapes
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LL | println!("{:?}", b"/*<2A> } <20>if isAdmin\xE2\x81\xA9 <20> begin admins only ");
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| ~~~~~~~~~~~~
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error: non-ASCII character in byte string literal
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--> $DIR/unicode-control-codepoints.rs:16:43
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LL | println!("{:?}", b"/*<2A> } <20>if isAdmin<69> <20> begin admins only ");
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| ^ must be ASCII but is '\u{2066}'
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help: if you meant to use the UTF-8 encoding of '\u{2066}', use \xHH escapes
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LL | println!("{:?}", b"/*<2A> } <20>if isAdmin<69> \xE2\x81\xA6 begin admins only ");
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| ~~~~~~~~~~~~
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error: non-ASCII character in raw byte string literal
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--> $DIR/unicode-control-codepoints.rs:21:29
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LL | println!("{:?}", br##"/*<2A> } <20>if isAdmin<69> <20> begin admins only "##);
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| ^ must be ASCII but is '\u{202e}'
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error: non-ASCII character in raw byte string literal
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--> $DIR/unicode-control-codepoints.rs:21:33
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LL | println!("{:?}", br##"/*<2A> } <20>if isAdmin<69> <20> begin admins only "##);
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| ^ must be ASCII but is '\u{2066}'
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error: non-ASCII character in raw byte string literal
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--> $DIR/unicode-control-codepoints.rs:21:44
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LL | println!("{:?}", br##"/*<2A> } <20>if isAdmin<69> <20> begin admins only "##);
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| ^ must be ASCII but is '\u{2069}'
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error: non-ASCII character in raw byte string literal
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--> $DIR/unicode-control-codepoints.rs:21:46
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LL | println!("{:?}", br##"/*<2A> } <20>if isAdmin<69> <20> begin admins only "##);
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| ^ must be ASCII but is '\u{2066}'
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error: unicode codepoint changing visible direction of text present in comment
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--> $DIR/unicode-control-codepoints.rs:2:5
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LL | // if access_level != "us<75>e<EFBFBD>r" { // Check if admin
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| ^^^^^^^^^^^^^^^^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^^^
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| | | |
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| | | '\u{202a}'
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| | '\u{202b}'
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| this comment contains invisible unicode text flow control codepoints
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= note: `#[deny(text_direction_codepoint_in_comment)]` on by default
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= help: if their presence wasn't intentional, you can remove them
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error: unicode codepoint changing visible direction of text present in comment
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--> $DIR/unicode-control-codepoints.rs:30:1
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LL | //"/*<2A> } <20>if isAdmin<69> <20> begin admins only */"
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| ^^^^^-^^^-^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^^^
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| | | | | |
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| | | | | '\u{2066}'
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| | | | '\u{2069}'
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| | | '\u{2066}'
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| | '\u{202e}'
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| this comment contains invisible unicode text flow control codepoints
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|
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= help: if their presence wasn't intentional, you can remove them
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error: unicode codepoint changing visible direction of text present in literal
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--> $DIR/unicode-control-codepoints.rs:11:22
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LL | println!("{:?}", "/*<2A> } <20>if isAdmin<69> <20> begin admins only ");
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| ^^^-^^^-^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^
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| | | | | |
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| | | | | '\u{2066}'
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| | | | '\u{2069}'
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| | | '\u{2066}'
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| | '\u{202e}'
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| this literal contains invisible unicode text flow control codepoints
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= note: `#[deny(text_direction_codepoint_in_literal)]` on by default
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= help: if their presence wasn't intentional, you can remove them
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help: if you want to keep them but make them visible in your source code, you can escape them
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LL | println!("{:?}", "/*\u{202e} } \u{2066}if isAdmin\u{2069} \u{2066} begin admins only ");
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| ~~~~~~~~ ~~~~~~~~ ~~~~~~~~ ~~~~~~~~
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error: unicode codepoint changing visible direction of text present in literal
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--> $DIR/unicode-control-codepoints.rs:14:22
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LL | println!("{:?}", r##"/*<2A> } <20>if isAdmin<69> <20> begin admins only "##);
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| ^^^^^^-^^^-^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^^^
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| | | | | |
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| | | | | '\u{2066}'
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| | | | '\u{2069}'
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| | | '\u{2066}'
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| | '\u{202e}'
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| this literal contains invisible unicode text flow control codepoints
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= help: if their presence wasn't intentional, you can remove them
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help: if you want to keep them but make them visible in your source code, you can escape them
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LL | println!("{:?}", r##"/*\u{202e} } \u{2066}if isAdmin\u{2069} \u{2066} begin admins only "##);
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| ~~~~~~~~ ~~~~~~~~ ~~~~~~~~ ~~~~~~~~
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error: unicode codepoint changing visible direction of text present in literal
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--> $DIR/unicode-control-codepoints.rs:26:22
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LL | println!("{:?}", '<27>');
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| ^-^
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| |'\u{202e}'
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| this literal contains an invisible unicode text flow control codepoint
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= help: if their presence wasn't intentional, you can remove them
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help: if you want to keep them but make them visible in your source code, you can escape them
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LL | println!("{:?}", '\u{202e}');
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| ~~~~~~~~
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error: unicode codepoint changing visible direction of text present in doc comment
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--> $DIR/unicode-control-codepoints.rs:33:1
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LL | /** '<27>'); */fn foo() {}
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| ^^^^^^^^^^^^^ this doc comment contains an invisible unicode text flow control codepoint
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= note: if their presence wasn't intentional, you can remove them
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= note: if you want to keep them but make them visible in your source code, you can escape them: '\u{202e}'
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error: unicode codepoint changing visible direction of text present in doc comment
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--> $DIR/unicode-control-codepoints.rs:36:1
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LL | / /**
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LL | | *
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LL | | * '<27>'); */fn bar() {}
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| |____________^ this doc comment contains an invisible unicode text flow control codepoint
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= note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
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= note: if their presence wasn't intentional, you can remove them
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= note: if you want to keep them but make them visible in your source code, you can escape them: '\u{202e}'
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error: aborting due to 17 previous errors
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