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https://github.com/rust-lang/rust-clippy
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55 lines
2.6 KiB
Text
55 lines
2.6 KiB
Text
error: calling `to_string` on `&&str`
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--> $DIR/inefficient_to_string.rs:12:21
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LL | let _: String = rrstr.to_string();
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| ^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(*rrstr).to_string()`
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note: lint level defined here
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--> $DIR/inefficient_to_string.rs:2:9
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LL | #![deny(clippy::inefficient_to_string)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: `&str` implements `ToString` through a slower blanket impl, but `str` has a fast specialization of `ToString`
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error: calling `to_string` on `&&&str`
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--> $DIR/inefficient_to_string.rs:13:21
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LL | let _: String = rrrstr.to_string();
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| ^^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(**rrrstr).to_string()`
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= help: `&&str` implements `ToString` through a slower blanket impl, but `str` has a fast specialization of `ToString`
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error: calling `to_string` on `&&std::string::String`
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--> $DIR/inefficient_to_string.rs:21:21
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LL | let _: String = rrstring.to_string();
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| ^^^^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(*rrstring).to_string()`
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= help: `&std::string::String` implements `ToString` through a slower blanket impl, but `std::string::String` has a fast specialization of `ToString`
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error: calling `to_string` on `&&&std::string::String`
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--> $DIR/inefficient_to_string.rs:22:21
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LL | let _: String = rrrstring.to_string();
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| ^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(**rrrstring).to_string()`
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= help: `&&std::string::String` implements `ToString` through a slower blanket impl, but `std::string::String` has a fast specialization of `ToString`
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error: calling `to_string` on `&&std::borrow::Cow<'_, str>`
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--> $DIR/inefficient_to_string.rs:30:21
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LL | let _: String = rrcow.to_string();
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| ^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(*rrcow).to_string()`
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= help: `&std::borrow::Cow<'_, str>` implements `ToString` through a slower blanket impl, but `std::borrow::Cow<'_, str>` has a fast specialization of `ToString`
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error: calling `to_string` on `&&&std::borrow::Cow<'_, str>`
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--> $DIR/inefficient_to_string.rs:31:21
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LL | let _: String = rrrcow.to_string();
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| ^^^^^^^^^^^^^^^^^^ help: try dereferencing the receiver: `(**rrrcow).to_string()`
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= help: `&&std::borrow::Cow<'_, str>` implements `ToString` through a slower blanket impl, but `std::borrow::Cow<'_, str>` has a fast specialization of `ToString`
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error: aborting due to 6 previous errors
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