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