diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/inefficient_to_string.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/inefficient_to_string.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/inefficient_to_string.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/inefficient_to_string.rs b/src/tools/clippy/tests/ui/inefficient_to_string.rs new file mode 100644 index 000000000..acdc55aa0 --- /dev/null +++ b/src/tools/clippy/tests/ui/inefficient_to_string.rs @@ -0,0 +1,31 @@ +// run-rustfix +#![deny(clippy::inefficient_to_string)] + +use std::borrow::Cow; + +fn main() { + let rstr: &str = "hello"; + let rrstr: &&str = &rstr; + let rrrstr: &&&str = &rrstr; + let _: String = rstr.to_string(); + let _: String = rrstr.to_string(); + let _: String = rrrstr.to_string(); + + let string: String = String::from("hello"); + let rstring: &String = &string; + let rrstring: &&String = &rstring; + let rrrstring: &&&String = &rrstring; + let _: String = string.to_string(); + let _: String = rstring.to_string(); + let _: String = rrstring.to_string(); + let _: String = rrrstring.to_string(); + + let cow: Cow<'_, str> = Cow::Borrowed("hello"); + let rcow: &Cow<'_, str> = &cow; + let rrcow: &&Cow<'_, str> = &rcow; + let rrrcow: &&&Cow<'_, str> = &rrcow; + let _: String = cow.to_string(); + let _: String = rcow.to_string(); + let _: String = rrcow.to_string(); + let _: String = rrrcow.to_string(); +} |