| // run-pass |
| |
| #![feature(generators)] |
| |
| #![allow(non_camel_case_types)] |
| #![allow(dead_code)] |
| #![allow(unreachable_code)] |
| #![allow(unused_parens)] |
| |
| #![recursion_limit = "256"] |
| |
| use std::cell::Cell; |
| use std::mem::swap; |
| |
| // Just a grab bag of stuff that you wouldn't want to actually write. |
| |
| fn strange() -> bool { let _x: bool = return true; } |
| |
| fn funny() { |
| fn f(_x: ()) { } |
| f(return); |
| } |
| |
| fn what() { |
| fn the(x: &Cell<bool>) { |
| return while !x.get() { x.set(true); }; |
| } |
| let i = &Cell::new(false); |
| let dont = {||the(i)}; |
| dont(); |
| assert!((i.get())); |
| } |
| |
| fn zombiejesus() { |
| loop { |
| while (return) { |
| if (return) { |
| match (return) { |
| 1 => { |
| if (return) { |
| return |
| } else { |
| return |
| } |
| } |
| _ => { return } |
| }; |
| } else if (return) { |
| return; |
| } |
| } |
| if (return) { break; } |
| } |
| } |
| |
| fn notsure() { |
| let mut _x: isize; |
| let mut _y = (_x = 0) == (_x = 0); |
| let mut _z = (_x = 0) < (_x = 0); |
| let _a = (_x += 0) == (_x = 0); |
| let _b = swap(&mut _y, &mut _z) == swap(&mut _y, &mut _z); |
| } |
| |
| fn canttouchthis() -> usize { |
| fn p() -> bool { true } |
| let _a = (assert!((true)) == (assert!(p()))); |
| let _c = (assert!((p())) == ()); |
| let _b: bool = (println!("{}", 0) == (return 0)); |
| } |
| |
| fn angrydome() { |
| loop { if break { } } |
| let mut i = 0; |
| loop { i += 1; if i == 1 { match (continue) { 1 => { }, _ => panic!("wat") } } |
| break; } |
| } |
| |
| fn evil_lincoln() { let _evil = println!("lincoln"); } |
| |
| fn dots() { |
| assert_eq!(String::from(".................................................."), |
| format!("{:?}", .. .. .. .. .. .. .. .. .. .. .. .. .. |
| .. .. .. .. .. .. .. .. .. .. .. ..)); |
| } |
| |
| fn u8(u8: u8) { |
| if u8 != 0u8 { |
| assert_eq!(8u8, { |
| macro_rules! u8 { |
| (u8) => { |
| mod u8 { |
| pub fn u8<'u8: 'u8 + 'u8>(u8: &'u8 u8) -> &'u8 u8 { |
| "u8"; |
| u8 |
| } |
| } |
| }; |
| } |
| |
| u8!(u8); |
| let &u8: &u8 = u8::u8(&8u8); |
| ::u8(0u8); |
| u8 |
| }); |
| } |
| } |
| |
| fn fishy() { |
| assert_eq!(String::from("><>"), |
| String::<>::from::<>("><>").chars::<>().rev::<>().collect::<String>()); |
| } |
| |
| fn union() { |
| union union<'union> { union: &'union union<'union>, } |
| } |
| |
| fn special_characters() { |
| let val = !((|(..):(_,_),__@_|__)((&*"\\",'🤔')/**/,{})=={&[..=..][..];})// |
| ; |
| assert!(!val); |
| } |
| |
| fn punch_card() -> impl std::fmt::Debug { |
| ..=..=.. .. .. .. .. .. .. .. .. .. .. ..=.. .. |
| ..=.. ..=.. .. .. .. .. .. .. .. .. ..=..=..=.. |
| ..=.. ..=.. ..=.. ..=.. .. ..=..=.. .. ..=.. .. |
| ..=..=.. .. ..=.. ..=.. ..=.. .. .. .. ..=.. .. |
| ..=.. ..=.. ..=.. ..=.. .. ..=.. .. .. ..=.. .. |
| ..=.. ..=.. ..=.. ..=.. .. .. ..=.. .. ..=.. .. |
| ..=.. ..=.. .. ..=..=.. ..=..=.. .. .. ..=.. .. |
| } |
| |
| fn r#match() { |
| let val = match match match match match () { |
| () => () |
| } { |
| () => () |
| } { |
| () => () |
| } { |
| () => () |
| } { |
| () => () |
| }; |
| assert_eq!(val, ()); |
| } |
| |
| fn i_yield() { |
| static || { |
| yield yield yield yield yield yield yield yield yield; |
| }; |
| } |
| |
| fn match_nested_if() { |
| let val = match () { |
| () if if if if true {true} else {false} {true} else {false} {true} else {false} => true, |
| _ => false, |
| }; |
| assert!(val); |
| } |
| |
| pub fn main() { |
| strange(); |
| funny(); |
| what(); |
| zombiejesus(); |
| notsure(); |
| canttouchthis(); |
| angrydome(); |
| evil_lincoln(); |
| dots(); |
| u8(8u8); |
| fishy(); |
| union(); |
| special_characters(); |
| punch_card(); |
| r#match(); |
| i_yield(); |
| match_nested_if(); |
| } |