42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
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#![warn(clippy::ineffective_open_options)]
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use std::fs::OpenOptions;
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fn main() {
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let file = OpenOptions::new()
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.create(true)
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.write(true) //~ ERROR: unnecessary use of `.write(true)`
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.append(true)
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.open("dump.json")
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.unwrap();
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let file = OpenOptions::new()
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.create(true)
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.append(true)
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.write(true) //~ ERROR: unnecessary use of `.write(true)`
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.open("dump.json")
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.unwrap();
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// All the next calls are ok.
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let file = OpenOptions::new()
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.create(true)
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.write(false)
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.append(true)
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.open("dump.json")
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.unwrap();
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let file = OpenOptions::new()
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.create(true)
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.write(true)
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.append(false)
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.open("dump.json")
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.unwrap();
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let file = OpenOptions::new()
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.create(true)
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.write(false)
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.append(false)
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.open("dump.json")
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.unwrap();
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let file = OpenOptions::new().create(true).append(true).open("dump.json").unwrap();
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let file = OpenOptions::new().create(true).write(true).open("dump.json").unwrap();
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}
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