update self format

Configurations.md

@@ -1042,8 +1042,10 @@ Item layout inside a imports block
 ```rust
 use foo::{xxxxxxxxxxxxxxxxxx, yyyyyyyyyyyyyyyyyy, zzzzzzzzzzzzzzzzzz};
 
-use foo::{aaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbb, cccccccccccccccccc, dddddddddddddddddd,
+use foo::{
-          eeeeeeeeeeeeeeeeee, ffffffffffffffffff};
+    aaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbb, cccccccccccccccccc, dddddddddddddddddd,
+    eeeeeeeeeeeeeeeeee, ffffffffffffffffff,
+};
 ```
 
 #### `"Horizontal"`:
@@ -1061,27 +1063,33 @@ use foo::{aaa, bbb, ccc, ddd, eee, fff};
 ```rust
 use foo::{xxxxxxxxxxxxxxxxxx, yyyyyyyyyyyyyyyyyy, zzzzzzzzzzzzzzzzzz};
 
-use foo::{aaaaaaaaaaaaaaaaaa,
+use foo::{
-          bbbbbbbbbbbbbbbbbb,
+    aaaaaaaaaaaaaaaaaa,
-          cccccccccccccccccc,
+    bbbbbbbbbbbbbbbbbb,
-          dddddddddddddddddd,
+    cccccccccccccccccc,
-          eeeeeeeeeeeeeeeeee,
+    dddddddddddddddddd,
-          ffffffffffffffffff};
+    eeeeeeeeeeeeeeeeee,
+    ffffffffffffffffff,
+};
 ```
 
 #### `"Vertical"`:
 
 ```rust
-use foo::{xxx,
+use foo::{
-          yyy,
+    xxx,
-          zzz};
+    yyy,
+    zzz,
+};
 
-use foo::{aaa,
+use foo::{
-          bbb,
+    aaa,
-          ccc,
+    bbb,
-          ddd,
+    ccc,
-          eee,
+    ddd,
-          fff};
+    eee,
+    fff,
+};
 ```
 
 ## `merge_imports`

src/bin/main.rs

@@ -24,8 +24,10 @@ use failure::err_msg;
 
 use getopts::{Matches, Options};
 
-use rustfmt::{emit_post_matter, emit_pre_matter, load_config, CliOptions, Config, FmtResult,
+use rustfmt::{
-              WriteMode, WRITE_MODE_LIST};
+    emit_post_matter, emit_pre_matter, load_config, CliOptions, Config, FmtResult, WriteMode,
+    WRITE_MODE_LIST,
+};
 use rustfmt::{format_and_emit_report, FileName, Input, Summary};
 
 fn main() {

src/chains.rs

@@ -70,8 +70,10 @@ use expr::rewrite_call;
 use macros::convert_try_mac;
 use rewrite::{Rewrite, RewriteContext};
 use shape::Shape;
-use utils::{first_line_width, last_line_extendable, last_line_width, mk_sp,
+use utils::{
-            trimmed_last_line_width, wrap_str};
+    first_line_width, last_line_extendable, last_line_width, mk_sp, trimmed_last_line_width,
+    wrap_str,
+};
 
 use std::borrow::Cow;
 use std::cmp::min;

src/expr.rs

@@ -19,11 +19,15 @@ use syntax::{ast, ptr};
 use chains::rewrite_chain;
 use closures;
 use codemap::{LineRangeUtils, SpanUtils};
-use comment::{combine_strs_with_missing_comments, contains_comment, recover_comment_removed,
+use comment::{
-              rewrite_comment, rewrite_missing_comment, CharClasses, FindUncommented};
+    combine_strs_with_missing_comments, contains_comment, recover_comment_removed, rewrite_comment,
+    rewrite_missing_comment, CharClasses, FindUncommented,
+};
 use config::{Config, ControlBraceStyle, IndentStyle};
-use lists::{definitive_tactic, itemize_list, shape_for_tactic, struct_lit_formatting,
+use lists::{
-            struct_lit_shape, struct_lit_tactic, write_list, ListFormatting, ListItem, Separator};
+    definitive_tactic, itemize_list, shape_for_tactic, struct_lit_formatting, struct_lit_shape,
+    struct_lit_tactic, write_list, ListFormatting, ListItem, Separator,
+};
 use macros::{rewrite_macro, MacroArg, MacroPosition};
 use matches::rewrite_match;
 use overflow;
@@ -33,9 +37,11 @@ use shape::{Indent, Shape};
 use spanned::Spanned;
 use string::{rewrite_string, StringFormat};
 use types::{can_be_overflowed_type, rewrite_path, PathContext};
-use utils::{colon_spaces, contains_skip, count_newlines, first_line_width, inner_attributes,
+use utils::{
-            last_line_extendable, last_line_width, mk_sp, outer_attributes, paren_overhead,
+    colon_spaces, contains_skip, count_newlines, first_line_width, inner_attributes,
-            ptr_vec_to_ref_vec, semicolon_for_stmt, wrap_str};
+    last_line_extendable, last_line_width, mk_sp, outer_attributes, paren_overhead,
+    ptr_vec_to_ref_vec, semicolon_for_stmt, wrap_str,
+};
 use vertical::rewrite_with_alignment;
 use visitor::FmtVisitor;
 

src/items.rs

@@ -21,11 +21,15 @@ use syntax::visit;
 use syntax::{ast, ptr, symbol};
 
 use codemap::{LineRangeUtils, SpanUtils};
-use comment::{combine_strs_with_missing_comments, contains_comment, recover_comment_removed,
+use comment::{
-              recover_missing_comment_in_span, rewrite_missing_comment, FindUncommented};
+    combine_strs_with_missing_comments, contains_comment, recover_comment_removed,
+    recover_missing_comment_in_span, rewrite_missing_comment, FindUncommented,
+};
 use config::{BraceStyle, Config, Density, IndentStyle};
-use expr::{format_expr, is_empty_block, is_simple_block_stmt, rewrite_assign_rhs,
+use expr::{
-           rewrite_assign_rhs_with, ExprType, RhsTactics};
+    format_expr, is_empty_block, is_simple_block_stmt, rewrite_assign_rhs, rewrite_assign_rhs_with,
+    ExprType, RhsTactics,
+};
 use lists::{definitive_tactic, itemize_list, write_list, ListFormatting, ListItem, Separator};
 use macros::{rewrite_macro, MacroPosition};
 use overflow;
@@ -33,11 +37,13 @@ use rewrite::{Rewrite, RewriteContext};
 use shape::{Indent, Shape};
 use spanned::Spanned;
 use types::TraitTyParamBounds;
-use utils::{colon_spaces, contains_skip, first_line_width, format_abi, format_auto,
+use utils::{
-            format_constness, format_defaultness, format_mutability, format_unsafety,
+    colon_spaces, contains_skip, first_line_width, format_abi, format_auto, format_constness,
-            format_visibility, is_attributes_extendable, last_line_contains_single_line_comment,
+    format_defaultness, format_mutability, format_unsafety, format_visibility,
-            last_line_used_width, last_line_width, mk_sp, semicolon_for_expr, starts_with_newline,
+    is_attributes_extendable, last_line_contains_single_line_comment, last_line_used_width,
-            stmt_expr, trimmed_last_line_width};
+    last_line_width, mk_sp, semicolon_for_expr, starts_with_newline, stmt_expr,
+    trimmed_last_line_width,
+};
 use vertical::rewrite_with_alignment;
 use visitor::FmtVisitor;
 

src/macros.rs

@@ -33,8 +33,10 @@ use syntax::util::ThinVec;
 use syntax::{ast, ptr};
 
 use codemap::SpanUtils;
-use comment::{contains_comment, remove_trailing_white_spaces, CharClasses, FindUncommented,
+use comment::{
-              FullCodeCharKind, LineClasses};
+    contains_comment, remove_trailing_white_spaces, CharClasses, FindUncommented, FullCodeCharKind,
+    LineClasses,
+};
 use expr::rewrite_array;
 use lists::{itemize_list, write_list, ListFormatting};
 use overflow;

src/matches.rs

@@ -19,14 +19,18 @@ use syntax::{ast, ptr};
 use codemap::SpanUtils;
 use comment::combine_strs_with_missing_comments;
 use config::{Config, ControlBraceStyle, IndentStyle};
-use expr::{format_expr, is_empty_block, is_simple_block, is_unsafe_block, prefer_next_line,
+use expr::{
-           rewrite_multiple_patterns, ExprType, RhsTactics, ToExpr};
+    format_expr, is_empty_block, is_simple_block, is_unsafe_block, prefer_next_line,
+    rewrite_multiple_patterns, ExprType, RhsTactics, ToExpr,
+};
 use lists::{itemize_list, write_list, ListFormatting};
 use rewrite::{Rewrite, RewriteContext};
 use shape::Shape;
 use spanned::Spanned;
-use utils::{contains_skip, extra_offset, first_line_width, inner_attributes, last_line_extendable,
+use utils::{
-            mk_sp, ptr_vec_to_ref_vec, trimmed_last_line_width};
+    contains_skip, extra_offset, first_line_width, inner_attributes, last_line_extendable, mk_sp,
+    ptr_vec_to_ref_vec, trimmed_last_line_width,
+};
 
 /// A simple wrapper type against `ast::Arm`. Used inside `write_list()`.
 struct ArmWrapper<'a> {

src/overflow.rs

@@ -23,7 +23,9 @@ use lists::{definitive_tactic, itemize_list, write_list, ListFormatting, ListIte
 use rewrite::{Rewrite, RewriteContext};
 use shape::Shape;
 use spanned::Spanned;
-use utils::{count_newlines, extra_offset, first_line_width, last_line_width, mk_sp, paren_overhead};
+use utils::{
+    count_newlines, extra_offset, first_line_width, last_line_width, mk_sp, paren_overhead,
+};
 
 use std::cmp::min;
 

src/patterns.rs

@@ -15,10 +15,13 @@ use syntax::ptr;
 
 use codemap::SpanUtils;
 use comment::FindUncommented;
-use expr::{can_be_overflowed_expr, rewrite_pair, rewrite_unary_prefix, wrap_struct_field,
+use expr::{
-           PairParts};
+    can_be_overflowed_expr, rewrite_pair, rewrite_unary_prefix, wrap_struct_field, PairParts,
-use lists::{itemize_list, shape_for_tactic, struct_lit_formatting, struct_lit_shape,
+};
-            struct_lit_tactic, write_list};
+use lists::{
+    itemize_list, shape_for_tactic, struct_lit_formatting, struct_lit_shape, struct_lit_tactic,
+    write_list,
+};
 use macros::{rewrite_macro, MacroPosition};
 use overflow;
 use rewrite::{Rewrite, RewriteContext};

src/types.rs

@@ -18,16 +18,19 @@ use syntax::symbol::keywords;
 
 use codemap::SpanUtils;
 use config::{IndentStyle, TypeDensity};
-use expr::{rewrite_assign_rhs, rewrite_pair, rewrite_tuple, rewrite_unary_prefix, PairParts,
+use expr::{
-           ToExpr};
+    rewrite_assign_rhs, rewrite_pair, rewrite_tuple, rewrite_unary_prefix, PairParts, ToExpr,
+};
 use lists::{definitive_tactic, itemize_list, write_list, ListFormatting, Separator};
 use macros::{rewrite_macro, MacroPosition};
 use overflow;
 use rewrite::{Rewrite, RewriteContext};
 use shape::Shape;
 use spanned::Spanned;
-use utils::{colon_spaces, extra_offset, first_line_width, format_abi, format_mutability,
+use utils::{
-            last_line_width, mk_sp};
+    colon_spaces, extra_offset, first_line_width, format_abi, format_mutability, last_line_width,
+    mk_sp,
+};
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum PathContext {

src/utils.rs

@@ -11,8 +11,10 @@
 use std::borrow::Cow;
 
 use rustc_target::spec::abi;
-use syntax::ast::{self, Attribute, CrateSugar, MetaItem, MetaItemKind, NestedMetaItem,
+use syntax::ast::{
-                  NestedMetaItemKind, Path, Visibility, VisibilityKind};
+    self, Attribute, CrateSugar, MetaItem, MetaItemKind, NestedMetaItem, NestedMetaItemKind, Path,
+    Visibility, VisibilityKind,
+};
 use syntax::codemap::{BytePos, Span, NO_EXPANSION};
 use syntax::ptr;
 

src/visitor.rs

@@ -17,9 +17,11 @@ use attr::*;
 use codemap::{LineRangeUtils, SpanUtils};
 use comment::{CodeCharKind, CommentCodeSlices, FindUncommented};
 use config::{BraceStyle, Config};
-use items::{format_impl, format_trait, format_trait_alias, is_mod_decl, is_use_item,
+use items::{
-            rewrite_associated_impl_type, rewrite_associated_type, rewrite_extern_crate,
+    format_impl, format_trait, format_trait_alias, is_mod_decl, is_use_item,
-            rewrite_type_alias, FnSig, StaticParts, StructParts};
+    rewrite_associated_impl_type, rewrite_associated_type, rewrite_extern_crate,
+    rewrite_type_alias, FnSig, StaticParts, StructParts,
+};
 use macros::{rewrite_macro, rewrite_macro_def, MacroPosition};
 use rewrite::{Rewrite, RewriteContext};
 use shape::{Indent, Shape};