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Use Self instead of self return type #68514

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Jan 26, 2020
Merged

Use Self instead of self return type #68514

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20 changes: 10 additions & 10 deletions src/libcore/fmt/builders.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ impl<'a, 'b: 'a> DebugStruct<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn field(&mut self, name: &str, value: &dyn fmt::Debug) -> &mut DebugStruct<'a, 'b> {
pub fn field(&mut self, name: &str, value: &dyn fmt::Debug) -> &mut Self {
self.result = self.result.and_then(|_| {
if self.is_pretty() {
if !self.has_fields {
Expand Down Expand Up @@ -330,7 +330,7 @@ impl<'a, 'b: 'a> DebugTuple<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn field(&mut self, value: &dyn fmt::Debug) -> &mut DebugTuple<'a, 'b> {
pub fn field(&mut self, value: &dyn fmt::Debug) -> &mut Self {
self.result = self.result.and_then(|_| {
if self.is_pretty() {
if self.fields == 0 {
Expand Down Expand Up @@ -492,7 +492,7 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn entry(&mut self, entry: &dyn fmt::Debug) -> &mut DebugSet<'a, 'b> {
pub fn entry(&mut self, entry: &dyn fmt::Debug) -> &mut Self {
self.inner.entry(entry);
self
}
Expand Down Expand Up @@ -521,7 +521,7 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn entries<D, I>(&mut self, entries: I) -> &mut DebugSet<'a, 'b>
pub fn entries<D, I>(&mut self, entries: I) -> &mut Self
where
D: fmt::Debug,
I: IntoIterator<Item = D>,
Expand Down Expand Up @@ -624,7 +624,7 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn entry(&mut self, entry: &dyn fmt::Debug) -> &mut DebugList<'a, 'b> {
pub fn entry(&mut self, entry: &dyn fmt::Debug) -> &mut Self {
self.inner.entry(entry);
self
}
Expand Down Expand Up @@ -653,7 +653,7 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn entries<D, I>(&mut self, entries: I) -> &mut DebugList<'a, 'b>
pub fn entries<D, I>(&mut self, entries: I) -> &mut Self
where
D: fmt::Debug,
I: IntoIterator<Item = D>,
Expand Down Expand Up @@ -760,7 +760,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn entry(&mut self, key: &dyn fmt::Debug, value: &dyn fmt::Debug) -> &mut DebugMap<'a, 'b> {
pub fn entry(&mut self, key: &dyn fmt::Debug, value: &dyn fmt::Debug) -> &mut Self {
self.key(key).value(value)
}

Expand Down Expand Up @@ -797,7 +797,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
/// );
/// ```
#[unstable(feature = "debug_map_key_value", reason = "recently added", issue = "62482")]
pub fn key(&mut self, key: &dyn fmt::Debug) -> &mut DebugMap<'a, 'b> {
pub fn key(&mut self, key: &dyn fmt::Debug) -> &mut Self {
self.result = self.result.and_then(|_| {
assert!(
!self.has_key,
Expand Down Expand Up @@ -862,7 +862,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
/// );
/// ```
#[unstable(feature = "debug_map_key_value", reason = "recently added", issue = "62482")]
pub fn value(&mut self, value: &dyn fmt::Debug) -> &mut DebugMap<'a, 'b> {
pub fn value(&mut self, value: &dyn fmt::Debug) -> &mut Self {
self.result = self.result.and_then(|_| {
assert!(self.has_key, "attempted to format a map value before its key");

Expand Down Expand Up @@ -908,7 +908,7 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> {
/// );
/// ```
#[stable(feature = "debug_builders", since = "1.2.0")]
pub fn entries<K, V, I>(&mut self, entries: I) -> &mut DebugMap<'a, 'b>
pub fn entries<K, V, I>(&mut self, entries: I) -> &mut Self
where
K: fmt::Debug,
V: fmt::Debug,
Expand Down