// rustfmt-normalize_comments: true // rustfmt-wrap_comments: true // Test expressions fn foo() -> bool { let boxed: Box = 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::>(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(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; } fn underscore() { _= 1; _; [ _,a,_ ] = [1, 2, 3]; (a, _) = (8, 9); TupleStruct( _, a) = TupleStruct(2, 2); let _ : usize = foo(_, _); }