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Trailing comma for functions with empty bodies

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This commit is contained in:
Nick Cameron 2017-03-13 11:42:41 +13:00
parent 4df405a768
commit ed10bf9532
2 changed files with 9 additions and 6 deletions
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13
src/items.rs
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@ -191,6 +191,7 @@ fn format_foreign_item(&mut self, item: &ast::ForeignItem) {
&item.vis,
span,
false,
false,
false);
match rewrite {
@ -258,7 +259,8 @@ pub fn rewrite_fn(&mut self,
vis,
span,
newline_brace,
has_body));
has_body,
true));
if self.config.fn_brace_style != BraceStyle::AlwaysNextLine && !result.contains('\n') {
newline_brace = false;
@ -303,6 +305,7 @@ pub fn rewrite_required_fn(&mut self,
&ast::Visibility::Inherited,
span,
false,
false,
false));
// Re-attach semicolon
@ -1455,7 +1458,8 @@ fn rewrite_fn_base(context: &RewriteContext,
vis: &ast::Visibility,
span: Span,
newline_brace: bool,
has_body: bool)
has_body: bool,
has_braces: bool)
-> Option<(String, bool)> {
let mut force_new_line_for_brace = false;
@ -1665,7 +1669,6 @@ fn rewrite_fn_base(context: &RewriteContext,
} || (put_args_in_block && ret_str.is_empty());
if where_clause.predicates.len() == 1 && should_compress_where {
// TODO hitting this path, but using a newline
let budget = try_opt!(context.config.max_width.checked_sub(last_line_width(&result)));
if let Some(where_clause_str) =
rewrite_where_clause(context,
@ -1674,7 +1677,7 @@ fn rewrite_fn_base(context: &RewriteContext,
Shape::legacy(budget, indent),
Density::Compressed,
"{",
!has_body,
!has_braces,
put_args_in_block && ret_str.is_empty(),
Some(span.hi)) {
if !where_clause_str.contains('\n') {
@ -1696,7 +1699,7 @@ fn rewrite_fn_base(context: &RewriteContext,
Shape::legacy(budget, indent),
Density::Tall,
"{",
!has_body,
!has_braces,
put_args_in_block && ret_str.is_empty(),
Some(span.hi)));

2
tests/target/where-clause-rfc.rs
View File

@ -78,7 +78,7 @@ fn exactly_100_chars1<F>(self, f: F) -> MyVeryLongReturnType
fn very_long_function_name<F>(very_long_argument: F) -> MyVeryLongReturnType
where
F: FnMut(Self::Item) -> bool
F: FnMut(Self::Item) -> bool,
{
}