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Preview/clippy #58
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,6 @@ | ||
| reviews: | ||
| path_filters: | ||
| - "**/*.yml" | ||
| - "**/*.yaml" | ||
| - "**/*.toml" | ||
| - "**/*.rs" |
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| @@ -0,0 +1,6 @@ | ||
| [package] | ||
| name = "clippy_test" | ||
| version = "0.1.0" | ||
| edition = "2021" | ||
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| @@ -0,0 +1,42 @@ | ||
| fn main() { | ||
| // Unnecessary clone | ||
| let x = String::from("hello"); | ||
| let y = x.clone(); // Clippy will warn here about the unnecessary clone | ||
| println!("{}", y); | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. 🛠️ Refactor suggestion Unnecessary clone detected - consider ownership transfer. The clone is unnecessary since let x = String::from("hello");
-let y = x.clone(); // Clippy will warn here about the unnecessary clone
+let y = x; // Transfer ownership instead of cloning
println!("{}", y);📝 Committable suggestion
Suggested change
let x = String::from("hello");
let y = x.clone(); // Clippy will warn here about the unnecessary clone
println!("{}", y);
let x = String::from("hello");
let y = x; // Transfer ownership instead of cloning
println!("{}", y);
🤖 Prompt for AI Agents |
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| // Unused variable | ||
| let unused_var = 42; // Clippy will warn about this | ||
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| // Possible panic on unwrap | ||
| let result: Result<i32, &str> = Err("error"); | ||
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| // // NEED TO TEST FURTHER, MIGHT CAUSE "cause a runtime panic" | ||
| // // https://github.com/coderabbitai/pr-reviewer_test/pull/10606#discussion_r2087234807 | ||
| // let value = result.unwrap(); // This would trigger clippy::unwrap_used | ||
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| // Instead, use pattern matching or the ? operator | ||
| let value = match result { | ||
| Ok(v) => v, | ||
| Err(e) => { | ||
| eprintln!("Error: {}", e); | ||
| -1 // Providing a default value for the example | ||
| } | ||
| }; | ||
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| // Redundant reference | ||
| let z = &y; // Clippy might suggest removing the reference here | ||
| println!("{}", z); | ||
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| // Inefficient `for` loop | ||
| let vec = vec![1, 2, 3, 4]; | ||
| for i in vec.iter() { // Clippy may suggest using a `for` loop by value | ||
| println!("{}", i); | ||
| } | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. 🛠️ Refactor suggestion Inefficient iteration - iterate by value instead of reference. Clippy suggests iterating by value when references aren't needed, which is more efficient and idiomatic. let vec = vec![1, 2, 3, 4]; -for i in vec.iter() { // Clippy may suggest using a `for` loop by value +for i in vec { // Iterate by value instead of reference println!("{}", i); } 📝 Committable suggestion
Suggested change
let vec = vec![1, 2, 3, 4];
for i in vec.iter() { // Clippy may suggest using a `for` loop by value
println!("{}", i);
}
let vec = vec![1, 2, 3, 4];
for i in vec { // Iterate by value instead of reference
println!("{}", i);
}
🤖 Prompt for AI Agents |
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| // Excessive type annotation | ||
| let a: i32 = 5; // Clippy will suggest removing the type annotation since it's obvious | ||
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| // Missing documentation | ||
| let un_documented_function = |x: i32| x * 2; // Clippy may warn about missing documentation | ||
| } | ||
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| fn main() { | ||
| let x: Vec<u8> = vec![]; | ||
| let y = x.len() == 0; | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. 🛠️ Refactor suggestion Replace Clippy suggests using let x: Vec<u8> = vec![]; -let y = x.len() == 0; +let y = x.is_empty(); 📝 Committable suggestion
Suggested change
let x: Vec<u8> = vec![];
let y = x.len() == 0;
let x: Vec<u8> = vec![];
let y = x.is_empty();
🧰 Tools🪛 clippy3-3: unused variable (warning) 3-3: length comparison to zero (warning) 🤖 Prompt for AI Agents |
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| let mut a = 5; | ||
| a = a; | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Remove self-assignment - it has no effect. The self-assignment let mut a = 5; -a = a; +// Remove this line or assign a meaningful value 📝 Committable suggestion
Suggested change
let mut a = 5;
a = a;
let mut a = 5;
// Remove this line or assign a meaningful value
🧰 Tools🪛 clippy6-6: value assigned to (warning) 6-6: self-assignment of (error) 🤖 Prompt for AI Agents |
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| let name = String::from("clippy"); | ||
| println!("Name: {}", &name[..]); | ||
| } | ||
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