| // rustfmt-normalize_comments: true |
| // rustfmt-wrap_comments: true |
| // Test expressions |
| |
| fn foo() -> bool { |
| let boxed: Box<i32> = box 5; |
| 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 issue227() { |
| { |
| let handler = |
| box DocumentProgressHandler::new(addr, DocumentProgressTask::DOMContentLoaded); |
| } |
| } |
| |
| 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); |
| } |
| |
| 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( |
| box 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; |
| } |
