// 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` println!("Hello {}", "world"); //~^ ERROR: using `print!()` with a format string that ends in a single newline println!("Hello {} {}", "world", "#2"); //~^ ERROR: using `print!()` with a format string that ends in a single newline println!("{}", 1265); //~^ ERROR: using `print!()` with a format string that ends in a single newline println!(); //~^ ERROR: using `print!()` with a format string that ends in a single newline // 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"); // Escaping // #3514 print!("\\n"); println!("\\"); //~^ ERROR: using `print!()` with a format string that ends in a single newline print!("\\\\n"); // Raw strings // #3778 print!(r"\n"); // Literal newlines should also fail println!( //~^ ERROR: using `print!()` with a format string that ends in a single newline ); println!( //~^ ERROR: using `print!()` with a format string that ends in a single newline ); // 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 print!("foo\rbar\n"); // Ignore expanded format strings macro_rules! newline { () => { "\n" }; } print!(newline!()); }