rust-clippy/tests/ui/print_with_newline.fixed

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2023-04-20 15:19:36 +00:00
// FIXME: Ideally these suggestions would be fixed via rustfix. Blocked by rust-lang/rust#53934
#![allow(clippy::print_literal)]
#![warn(clippy::print_with_newline)]
fn main() {
println!("Hello");
//~^ ERROR: using `print!()` with a format string that ends in a single newline
//~| NOTE: `-D clippy::print-with-newline` implied by `-D warnings`
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println!("Hello {}", "world");
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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println!("Hello {} {}", "world", "#2");
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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println!("{}", 1265);
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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println!();
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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// these are all fine
print!("");
print!("Hello");
println!("Hello");
println!("Hello\n");
println!("Hello {}\n", "world");
print!("Issue\n{}", 1265);
print!("{}", 1265);
print!("\n{}", 1275);
print!("\n\n");
print!("like eof\n\n");
print!("Hello {} {}\n\n", "world", "#2");
// #3126
println!("\ndon't\nwarn\nfor\nmultiple\nnewlines\n");
// #3126
println!("\nbla\n\n");
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// Escaping
// #3514
print!("\\n");
println!("\\");
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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print!("\\\\n");
// Raw strings
// #3778
print!(r"\n");
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// Literal newlines should also fail
println!(
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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);
println!(
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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);
// Don't warn on CRLF (#4208)
print!("\r\n");
print!("foo\r\n");
// should fail
println!("\\r");
//~^ ERROR: using `print!()` with a format string that ends in a single newline
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print!("foo\rbar\n");
// Ignore expanded format strings
macro_rules! newline {
() => {
"\n"
};
}
print!(newline!());
}