rust/tests/ui/byte_char_slices.stderr
Marcel Müller 88c4a22480
New Lint: byte_char_slices
This patch adds a new lint that checks for potentially harder to read
byte char slices: `&[b'a', b'b']` and suggests to replace them with the
easier to read `b"ab"` form.

Signed-Off-By: Marcel Müller <m.mueller@ifm.com>
Co-authored-by: Matthias Beyer <matthias.beyer@ifm.com>

Use iterator to skip validation

Signed-off-by: Marcel Müller <m.mueller@ifm.com>
Suggested-by: Alex Macleod <alex@macleod.io>

Convert quote escapes to proper form

Signed-off-by: Marcel Müller <m.mueller@ifm.com>

Add more convertable test cases

Signed-off-by: Marcel Müller <m.mueller@ifm.com>
2024-07-04 14:31:15 +02:00

39 lines
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error: can be more succinctly written as a byte str
--> tests/ui/byte_char_slices.rs:5:15
|
LL | let bad = &[b'a', b'b', b'c'];
| ^^^^^^^^^^^^^^^^^^^ help: try: `b"abc"`
|
= note: `-D clippy::byte-char-slices` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::byte_char_slices)]`
error: can be more succinctly written as a byte str
--> tests/ui/byte_char_slices.rs:6:18
|
LL | let quotes = &[b'"', b'H', b'i'];
| ^^^^^^^^^^^^^^^^^^^ help: try: `b"\"Hi"`
error: can be more succinctly written as a byte str
--> tests/ui/byte_char_slices.rs:7:18
|
LL | let quotes = &[b'\'', b'S', b'u', b'p'];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `b"'Sup"`
error: can be more succinctly written as a byte str
--> tests/ui/byte_char_slices.rs:8:19
|
LL | let escapes = &[b'\x42', b'E', b's', b'c'];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `b"\x42Esc"`
error: useless use of `vec!`
--> tests/ui/byte_char_slices.rs:11:16
|
LL | let good = vec![b'a', b'a'];
| ^^^^^^^^^^^^^^^^ help: you can use an array directly: `[b'a', b'a']`
|
= note: `-D clippy::useless-vec` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::useless_vec)]`
error: aborting due to 5 previous errors