| // rustfmt-normalize_comments: true | |
| // rustfmt-wrap_comments: true | |
| // Test expressions | |
| fn foo() -> bool { | |
| let referenced = &5; | |
| let very_long_variable_name = (a + first + simple + test); | |
| let very_long_variable_name = | |
| (a + first + simple + test + AAAAAAAAAAAAA + BBBBBBBBBBBBBBBBB + b + c); | |
| let is_internalxxxx = | |
| self.source_map.span_to_filename(s) == self.source_map.span_to_filename(m.inner); | |
| let some_val = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * bbbb | |
| / (bbbbbb - function_call(x, *very_long_pointer, y)) | |
| + 1000; | |
| some_ridiculously_loooooooooooooooooooooong_function( | |
| 10000 * 30000000000 + 40000 / 1002200000000 - 50000 * sqrt(-1), | |
| trivial_value, | |
| ); | |
| (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| + a | |
| + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| + aaaaa); | |
| { | |
| for _ in 0..10 {} | |
| } | |
| { | |
| { | |
| { | |
| {} | |
| } | |
| } | |
| } | |
| if 1 + 2 > 0 { | |
| let result = 5; | |
| result | |
| } else { | |
| 4 | |
| }; | |
| if let Some(x) = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa { | |
| // Nothing | |
| } | |
| if let Some(x) = | |
| (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) | |
| {} | |
| if let ( | |
| some_very_large, | |
| tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple, | |
| ) = 1 + 2 + 3 | |
| {} | |
| if let ( | |
| some_very_large, | |
| tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple, | |
| ) = 1111 + 2222 | |
| {} | |
| if let ( | |
| some_very_large, | |
| tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple, | |
| ) = 1 + 2 + 3 | |
| {} | |
| if let ast::ItemKind::Trait(_, unsafety, ref generics, ref type_param_bounds, ref trait_items) = | |
| item.node | |
| { | |
| // nothing | |
| } | |
| let test = if true { 5 } else { 3 }; | |
| if cond() { | |
| something(); | |
| } else if different_cond() { | |
| something_else(); | |
| } else { | |
| // Check subformatting | |
| aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| } | |
| // #2884 | |
| let _ = [0; { | |
| struct Foo; | |
| impl Foo { | |
| const fn get(&self) -> usize { | |
| 5 | |
| } | |
| }; | |
| Foo.get() | |
| }]; | |
| } | |
| fn bar() { | |
| let range = | |
| (111111111 + 333333333333333333 + 1111 + 400000000000000000)..(2222 + 2333333333333333); | |
| let another_range = 5..some_func(a, b /* comment */); | |
| for _ in 1.. { | |
| call_forever(); | |
| } | |
| syntactically_correct( | |
| loop { | |
| sup('?'); | |
| }, | |
| if cond { 0 } else { 1 }, | |
| ); | |
| let third = ..10; | |
| let infi_range = ..; | |
| let foo = 1..; | |
| let bar = 5; | |
| let nonsense = (10..0)..(0..10); | |
| loop { | |
| if true { | |
| break; | |
| } | |
| } | |
| let x = ( | |
| aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, | |
| a, | |
| ); | |
| } | |
| fn baz() { | |
| unsafe /* {}{}{}{{{{}} */ { | |
| let foo = 1u32; | |
| } | |
| unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong | |
| * comment */ { | |
| } | |
| unsafe /* So this is a very long comment. | |
| * Multi-line, too. | |
| * Will it still format correctly? */ { | |
| } | |
| unsafe { | |
| // Regular unsafe block | |
| } | |
| unsafe { foo() } | |
| unsafe { | |
| foo(); | |
| } | |
| // #2289 | |
| let identifier_0 = unsafe { this_is_58_chars_long_and_line_is_93_chars_long_xxxxxxxxxx }; | |
| let identifier_1 = unsafe { this_is_59_chars_long_and_line_is_94_chars_long_xxxxxxxxxxx }; | |
| let identifier_2 = unsafe { this_is_65_chars_long_and_line_is_100_chars_long_xxxxxxxxxxxxxxxx }; | |
| let identifier_3 = | |
| unsafe { this_is_66_chars_long_and_line_is_101_chars_long_xxxxxxxxxxxxxxxxx }; | |
| } | |
| // Test some empty blocks. | |
| fn qux() { | |
| {} | |
| // FIXME this one could be done better. | |
| { /* a block with a comment */ } | |
| {} | |
| { | |
| // A block with a comment. | |
| } | |
| } | |
| fn issue184(source: &str) { | |
| for c in source.chars() { | |
| if index < 'a' { | |
| continue; | |
| } | |
| } | |
| } | |
| fn arrays() { | |
| let x = [ | |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 7, 8, 9, 0, 1, 2, 3, 4, 5, | |
| 6, 7, 8, 9, 0, | |
| ]; | |
| let y = [/* comment */ 1, 2 /* post comment */, 3]; | |
| let xy = [ | |
| strukt { | |
| test123: value_one_two_three_four, | |
| turbo: coolio(), | |
| }, | |
| // comment | |
| 1, | |
| ]; | |
| let a = WeightedChoice::new(&mut [ | |
| Weighted { | |
| weightweight: x, | |
| item: 0, | |
| }, | |
| Weighted { | |
| weightweight: 1, | |
| item: 1, | |
| }, | |
| Weighted { | |
| weightweight: x, | |
| item: 2, | |
| }, | |
| Weighted { | |
| weightweight: 1, | |
| item: 3, | |
| }, | |
| ]); | |
| let z = [ | |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, | |
| yyyyyyyyyyyyyyyyyyyyyyyyyyy, | |
| zzzzzzzzzzzzzzzzzz, | |
| q, | |
| ]; | |
| [1 + 3, 4, 5, 6, 7, 7, fncall::<Vec<_>>(3 - 1)] | |
| } | |
| fn returns() { | |
| aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| && return; | |
| return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; | |
| } | |
| fn addrof() { | |
| &mut (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb); | |
| &(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | |
| + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb); | |
| // raw reference operator | |
| &raw const a; | |
| &raw mut b; | |
| } | |
| fn casts() { | |
| fn unpack(packed: u32) -> [u16; 2] { | |
| [(packed >> 16) as u16, (packed >> 0) as u16] | |
| } | |
| let some_trait_xxx = xxxxxxxxxxx + xxxxxxxxxxxxx as SomeTraitXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; | |
| let slightly_longer_trait = | |
| yyyyyyyyy + yyyyyyyyyyy as SomeTraitYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY; | |
| } | |
| fn indices() { | |
| let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc) | |
| [x + y + z]; | |
| let y = (aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc) | |
| [xxxxx + yyyyy + zzzzz]; | |
| let z = xxxxxxxxxx | |
| .x() | |
| .y() | |
| .zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz()[aaaaa]; | |
| let z = xxxxxxxxxx | |
| .x() | |
| .y() | |
| .zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz() | |
| [aaaaa]; | |
| } | |
| fn repeats() { | |
| let x = [aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc; | |
| x + y + z]; | |
| let y = [aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc; | |
| xxxxx + yyyyy + zzzzz]; | |
| } | |
| fn blocks() { | |
| if 1 + 1 == 2 { | |
| println!("yay arithmetix!"); | |
| }; | |
| } | |
| fn issue767() { | |
| if false { | |
| if false { | |
| } else { | |
| // A let binding here seems necessary to trigger it. | |
| let _ = (); | |
| } | |
| } else if let false = false { | |
| } | |
| } | |
| fn ranges() { | |
| let x = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa..bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; | |
| let y = | |
| aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa..=bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; | |
| let z = ..=x; | |
| // #1766 | |
| let x = [0. ..10.0]; | |
| let x = [0. ..=10.0]; | |
| a..=b | |
| // the expr below won't compile because inclusive ranges need a defined end | |
| // let a = 0 ..= ; | |
| } | |
| fn if_else() { | |
| let exact = diff / (if size == 0 { 1 } else { size }); | |
| let cx = tp1.x + any * radius * if anticlockwise { 1.0 } else { -1.0 }; | |
| } | |
| fn complex_if_else() { | |
| if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx { | |
| } else if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx { | |
| ha(); | |
| } else if xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + xxxxxxxx { | |
| yo(); | |
| } else if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | |
| { | |
| ha(); | |
| } else if xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + xxxxxxxxx | |
| { | |
| yo(); | |
| } | |
| } | |
| fn issue1106() { | |
| { | |
| if let hir::ItemEnum(ref enum_def, ref generics) = | |
| self.ast_map.expect_item(enum_node_id).node | |
| {} | |
| } | |
| for entry in WalkDir::new(path) | |
| .into_iter() | |
| .filter_entry(|entry| exclusions.filter_entry(entry)) | |
| {} | |
| } | |
| fn issue1570() { | |
| a_very_long_function_name({ some_func(1, { 1 }) }) | |
| } | |
| fn issue1714() { | |
| v = &mut { v }[mid..]; | |
| let (left, right) = { v }.split_at_mut(mid); | |
| } | |
| // Multi-lined index should be put on the next line if it fits in one line. | |
| fn issue1749() { | |
| { | |
| { | |
| { | |
| if self.shape[(r as f32 + self.x_offset) as usize] | |
| [(c as f32 + self.y_offset) as usize] | |
| != 0 | |
| { | |
| // hello | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // #1172 | |
| fn newlines_between_list_like_expr() { | |
| foo( | |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, | |
| yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy, | |
| zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz, | |
| ); | |
| vec![ | |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, | |
| yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy, | |
| zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz, | |
| ]; | |
| match x { | |
| xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | |
| | yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy | |
| | zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz => foo(a, b, c), | |
| _ => bar(), | |
| }; | |
| } | |
| fn issue2178() { | |
| Ok(result | |
| .iter() | |
| .map(|item| ls_util::rls_to_location(item)) | |
| .collect()) | |
| } | |
| // #2493 | |
| impl Foo { | |
| fn bar(&self) { | |
| { | |
| let x = match () { | |
| () => { | |
| let i; | |
| i == self | |
| .install_config | |
| .storage | |
| .experimental_compressed_block_size as usize | |
| } | |
| }; | |
| } | |
| } | |
| } | |
| fn dots() { | |
| .. .. ..; // (.. (.. (..))) | |
| ..= ..= ..; | |
| (..).. ..; // ((..) .. (..)) | |
| } | |
| // #2676 | |
| // A function call with a large single argument. | |
| fn foo() { | |
| let my_var = Mutex::new( | |
| RpcClientType::connect(server_iddd).chain_err(|| "Unable to create RPC client")?, | |
| ); | |
| } | |
| // #2704 | |
| // Method call with prefix and suffix. | |
| fn issue2704() { | |
| // We should not combine the callee with a multi-lined method call. | |
| let requires = requires.set( | |
| &requires0 | |
| .concat(&requires1) | |
| .concat(&requires2) | |
| .distinct_total(), | |
| ); | |
| let requires = requires.set( | |
| requires0 | |
| .concat(&requires1) | |
| .concat(&requires2) | |
| .distinct_total() as u32, | |
| ); | |
| let requires = requires.set( | |
| requires0 | |
| .concat(&requires1) | |
| .concat(&requires2) | |
| .distinct_total()?, | |
| ); | |
| let requires = requires.set( | |
| !requires0 | |
| .concat(&requires1) | |
| .concat(&requires2) | |
| .distinct_total(), | |
| ); | |
| // We should combine a small callee with an argument. | |
| bar(vec![22] | |
| .into_iter() | |
| .map(|x| x * 2) | |
| .filter(|_| true) | |
| .collect()); | |
| // But we should not combine a long callee with an argument. | |
| barrrr( | |
| vec![22] | |
| .into_iter() | |
| .map(|x| x * 2) | |
| .filter(|_| true) | |
| .collect(), | |
| ); | |
| } | |
| // #2782 | |
| fn issue2782() { | |
| { | |
| let f = { | |
| let f = { | |
| { | |
| match f { | |
| F(f, _) => loop { | |
| let f = { | |
| match f { | |
| F(f, _) => match f { | |
| F(f, _) => loop { | |
| let f = { | |
| let f = { | |
| match f { | |
| '-' => F(f, ()), | |
| } | |
| }; | |
| }; | |
| }, | |
| }, | |
| } | |
| }; | |
| }, | |
| } | |
| } | |
| }; | |
| }; | |
| } | |
| } | |
| fn issue_2802() { | |
| function_to_fill_this_line(some_arg, some_arg, some_arg) | |
| * a_very_specific_length(specific_length_arg) | |
| * very_specific_length(Foo { | |
| a: some_much_much_longer_value, | |
| }) | |
| * some_value | |
| } | |
| fn issue_3003() { | |
| let mut path: PathBuf = [ | |
| env!("CARGO_MANIFEST_DIR"), | |
| "tests", | |
| "support", | |
| "dejavu-fonts-ttf-2.37", | |
| "ttf", | |
| ] | |
| .iter() | |
| .collect(); | |
| } | |
| fn issue3226() { | |
| { | |
| { | |
| { | |
| return Err( | |
| ErrorKind::ManagementInterfaceError("Server exited unexpectedly").into(), | |
| ); | |
| } | |
| } | |
| } | |
| { | |
| { | |
| { | |
| break Err( | |
| ErrorKind::ManagementInterfaceError("Server exited unexpectedlyy").into(), | |
| ); | |
| } | |
| } | |
| } | |
| } | |
| // #3457 | |
| fn issue3457() { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| { | |
| println!("Test"); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // #3498 | |
| static REPRO: &[usize] = &[ | |
| #[cfg(feature = "zero")] | |
| 0, | |
| ]; | |
| fn overflow_with_attr() { | |
| foo( | |
| #[cfg(feature = "zero")] | |
| 0, | |
| ); | |
| foobar( | |
| #[cfg(feature = "zero")] | |
| 0, | |
| ); | |
| foobar( | |
| x, | |
| y, | |
| #[cfg(feature = "zero")] | |
| {}, | |
| ); | |
| } | |
| // https://github.com/rust-lang/rustfmt/issues/3765 | |
| fn foo() { | |
| async { | |
| // Do | |
| // some | |
| // work | |
| } | |
| .await; | |
| async { | |
| // Do | |
| // some | |
| // work | |
| } | |
| .await; | |
| } | |
| fn underscore() { | |
| _ = 1; | |
| _; | |
| [_, a, _] = [1, 2, 3]; | |
| (a, _) = (8, 9); | |
| TupleStruct(_, a) = TupleStruct(2, 2); | |
| let _: usize = foo(_, _); | |
| } |