mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-01 08:59:23 +00:00
38 lines
932 B
Rust
38 lines
932 B
Rust
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// run-rustfix
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#![warn(clippy::unnecessary_join)]
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fn main() {
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// should be linted
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let vector = vec!["hello", "world"];
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let output = vector
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.iter()
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.map(|item| item.to_uppercase())
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.collect::<Vec<String>>()
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.join("");
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println!("{}", output);
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// should be linted
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let vector = vec!["hello", "world"];
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let output = vector
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.iter()
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.map(|item| item.to_uppercase())
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.collect::<Vec<_>>()
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.join("");
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println!("{}", output);
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// should not be linted
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let vector = vec!["hello", "world"];
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let output = vector
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.iter()
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.map(|item| item.to_uppercase())
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.collect::<Vec<String>>()
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.join("\n");
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println!("{}", output);
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// should not be linted
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let vector = vec!["hello", "world"];
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let output = vector.iter().map(|item| item.to_uppercase()).collect::<String>();
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println!("{}", output);
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}
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