mirror of
https://github.com/rust-lang/rust-clippy
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31 lines
944 B
Rust
31 lines
944 B
Rust
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#![deny(clippy::inefficient_to_string)]
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use std::borrow::Cow;
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fn main() {
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let rstr: &str = "hello";
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let rrstr: &&str = &rstr;
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let rrrstr: &&&str = &rrstr;
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let _: String = rstr.to_string();
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let _: String = rrstr.to_string();
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let _: String = rrrstr.to_string();
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let string: String = String::from("hello");
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let rstring: &String = &string;
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let rrstring: &&String = &rstring;
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let rrrstring: &&&String = &rrstring;
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let _: String = string.to_string();
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let _: String = rstring.to_string();
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let _: String = rrstring.to_string();
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let _: String = rrrstring.to_string();
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let cow: Cow<'_, str> = Cow::Borrowed("hello");
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let rcow: &Cow<'_, str> = &cow;
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let rrcow: &&Cow<'_, str> = &rcow;
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let rrrcow: &&&Cow<'_, str> = &rrcow;
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let _: String = cow.to_string();
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let _: String = rcow.to_string();
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let _: String = rrcow.to_string();
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let _: String = rrrcow.to_string();
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}
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