2018-02-07 04:03:14 +00:00
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// Companion test to the similarly-named file in run-pass.
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//@ compile-flags: -C debug_assertions=yes
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//@ revisions: std core
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2018-12-20 23:58:55 +00:00
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#![feature(lang_items)]
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2018-02-07 04:03:14 +00:00
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#![cfg_attr(core, no_std)]
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#[cfg(std)] use std::fmt;
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#[cfg(core)] use core::fmt;
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2018-12-27 00:07:00 +00:00
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#[cfg(core)] #[lang = "eh_personality"] fn eh_personality() {}
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2020-03-21 07:50:38 +00:00
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#[cfg(core)] #[lang = "eh_catch_typeinfo"] static EH_CATCH_TYPEINFO: u8 = 0;
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2018-12-27 00:07:00 +00:00
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#[cfg(core)] #[lang = "panic_impl"] fn panic_impl(panic: &core::panic::PanicInfo) -> ! { loop {} }
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2018-02-07 04:03:14 +00:00
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// (see documentation of the similarly-named test in run-pass)
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fn to_format_or_not_to_format() {
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let falsum = || false;
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// assert!(true, "{}",); // see run-pass
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assert_eq!(1, 1, "{}",);
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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assert_ne!(1, 2, "{}",);
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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// debug_assert!(true, "{}",); // see run-pass
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debug_assert_eq!(1, 1, "{}",);
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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debug_assert_ne!(1, 2, "{}",);
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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#[cfg(std)] {
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eprint!("{}",);
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//[std]~^ ERROR no arguments
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}
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#[cfg(std)] {
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2020-12-28 17:15:16 +00:00
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eprintln!("{}",);
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//[std]~^ ERROR no arguments
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2018-02-07 04:03:14 +00:00
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}
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#[cfg(std)] {
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format!("{}",);
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//[std]~^ ERROR no arguments
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}
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format_args!("{}",);
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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// if falsum() { panic!("{}",); } // see run-pass
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#[cfg(std)] {
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print!("{}",);
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//[std]~^ ERROR no arguments
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}
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#[cfg(std)] {
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2020-12-28 17:15:16 +00:00
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println!("{}",);
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//[std]~^ ERROR no arguments
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2018-02-07 04:03:14 +00:00
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}
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unimplemented!("{}",);
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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// if falsum() { unreachable!("{}",); } // see run-pass
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struct S;
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impl fmt::Display for S {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}",)?;
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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2020-12-28 17:15:16 +00:00
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writeln!(f, "{}",)?;
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//[core]~^ ERROR no arguments
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//[std]~^^ ERROR no arguments
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2018-02-07 04:03:14 +00:00
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Ok(())
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}
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}
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}
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fn main() {}
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