cargo fmt

src/cargo-fmt/main.rs

@@ -16,7 +16,6 @@
 use cargo_metadata;
 use getopts;
 
-
 use std::collections::{HashMap, HashSet};
 use std::env;
 use std::fs;

src/chains.rs

@@ -84,7 +84,11 @@ use crate::utils::{
     trimmed_last_line_width, wrap_str,
 };
 
-pub fn rewrite_chain(expr: &ast::Expr, context: &RewriteContext<'_>, shape: Shape) -> Option<String> {
+pub fn rewrite_chain(
+    expr: &ast::Expr,
+    context: &RewriteContext<'_>,
+    shape: Shape,
+) -> Option<String> {
     let chain = Chain::from_ast(expr, context);
     debug!("rewrite_chain {:?} {:?}", chain, shape);
 
@@ -419,8 +423,12 @@ impl Rewrite for Chain {
         debug!("rewrite chain {:?} {:?}", self, shape);
 
         let mut formatter = match context.config.indent_style() {
-            IndentStyle::Block => Box::new(ChainFormatterBlock::new(self)) as Box<dyn ChainFormatter>,
-            IndentStyle::Visual => Box::new(ChainFormatterVisual::new(self)) as Box<dyn ChainFormatter>,
+            IndentStyle::Block => {
+                Box::new(ChainFormatterBlock::new(self)) as Box<dyn ChainFormatter>
+            }
+            IndentStyle::Visual => {
+                Box::new(ChainFormatterVisual::new(self)) as Box<dyn ChainFormatter>
+            }
         };
 
         formatter.format_root(&self.parent, context, shape)?;

src/expr.rs

@@ -590,7 +590,11 @@ impl Rewrite for ast::Stmt {
 }
 
 // Rewrite condition if the given expression has one.
-pub fn rewrite_cond(context: &RewriteContext<'_>, expr: &ast::Expr, shape: Shape) -> Option<String> {
+pub fn rewrite_cond(
+    context: &RewriteContext<'_>,
+    expr: &ast::Expr,
+    shape: Shape,
+) -> Option<String> {
     match expr.node {
         ast::ExprKind::Match(ref cond, _) => {
             // `match `cond` {`
@@ -1337,7 +1341,11 @@ pub fn is_every_expr_simple(lists: &[OverflowableItem<'_>]) -> bool {
     lists.iter().all(OverflowableItem::is_simple)
 }
 
-pub fn can_be_overflowed_expr(context: &RewriteContext<'_>, expr: &ast::Expr, args_len: usize) -> bool {
+pub fn can_be_overflowed_expr(
+    context: &RewriteContext<'_>,
+    expr: &ast::Expr,
+    args_len: usize,
+) -> bool {
     match expr.node {
         ast::ExprKind::Match(..) => {
             (context.use_block_indent() && args_len == 1)

src/items.rs

@@ -998,7 +998,11 @@ fn format_struct(
     }
 }
 
-pub fn format_trait(context: &RewriteContext<'_>, item: &ast::Item, offset: Indent) -> Option<String> {
+pub fn format_trait(
+    context: &RewriteContext<'_>,
+    item: &ast::Item,
+    offset: Indent,
+) -> Option<String> {
     if let ast::ItemKind::Trait(
         is_auto,
         unsafety,
@@ -1172,7 +1176,11 @@ pub fn format_trait_alias(
     rewrite_assign_rhs(context, lhs, generic_bounds, shape.sub_width(1)?).map(|s| s + ";")
 }
 
-fn format_unit_struct(context: &RewriteContext<'_>, p: &StructParts<'_>, offset: Indent) -> Option<String> {
+fn format_unit_struct(
+    context: &RewriteContext<'_>,
+    p: &StructParts<'_>,
+    offset: Indent,
+) -> Option<String> {
     let header_str = format_header(context, p.prefix, p.ident, p.vis);
     let generics_str = if let Some(generics) = p.generics {
         let hi = if generics.where_clause.predicates.is_empty() {

src/macros.rs

@@ -1027,7 +1027,11 @@ fn wrap_macro_args_inner(
 //
 // We always try and format on one line.
 // FIXME: Use multi-line when every thing does not fit on one line.
-fn format_macro_args(context: &RewriteContext<'_>, toks: TokenStream, shape: Shape) -> Option<String> {
+fn format_macro_args(
+    context: &RewriteContext<'_>,
+    toks: TokenStream,
+    shape: Shape,
+) -> Option<String> {
     if !context.config.format_macro_matchers() {
         let token_stream: TokenStream = toks.into();
         let span = span_for_token_stream(&token_stream);
@@ -1340,7 +1344,11 @@ impl MacroBranch {
 ///     [pub] static ref NAME_N: TYPE_N = EXPR_N;
 /// }
 /// ```
-fn format_lazy_static(context: &RewriteContext<'_>, shape: Shape, ts: &TokenStream) -> Option<String> {
+fn format_lazy_static(
+    context: &RewriteContext<'_>,
+    shape: Shape,
+    ts: &TokenStream,
+) -> Option<String> {
     let mut result = String::with_capacity(1024);
     let mut parser = new_parser_from_tts(context.parse_session, ts.trees().collect());
     let nested_shape = shape

src/overflow.rs

@@ -758,7 +758,10 @@ fn no_long_items(list: &[ListItem]) -> bool {
 }
 
 /// In case special-case style is required, returns an offset from which we start horizontal layout.
-pub fn maybe_get_args_offset(callee_str: &str, args: &[OverflowableItem<'_>]) -> Option<(bool, usize)> {
+pub fn maybe_get_args_offset(
+    callee_str: &str,
+    args: &[OverflowableItem<'_>],
+) -> Option<(bool, usize)> {
     if let Some(&(_, num_args_before)) = args
         .get(0)?
         .whitelist()

src/patterns.rs

@@ -288,7 +288,11 @@ impl<'a> Spanned for TuplePatField<'a> {
     }
 }
 
-pub fn can_be_overflowed_pat(context: &RewriteContext<'_>, pat: &TuplePatField<'_>, len: usize) -> bool {
+pub fn can_be_overflowed_pat(
+    context: &RewriteContext<'_>,
+    pat: &TuplePatField<'_>,
+    len: usize,
+) -> bool {
     match *pat {
         TuplePatField::Pat(pat) => match pat.node {
             ast::PatKind::Path(..)