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Fold in debug builder doc examples

This commit is contained in:
Steven Fackler 2015-03-28 11:30:03 -07:00
parent b82bcec7ce
commit 842e6cf63e
1 changed files with 3 additions and 15 deletions
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18
src/libcore/fmt/mod.rs
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@ -692,11 +692,7 @@ impl<'a> Formatter<'a> {
///
/// impl fmt::Debug for Foo {
/// fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
/// let mut builder = fmt.debug_list();
/// for i in &self.0 {
/// builder = builder.entry(i);
/// }
/// builder.finish()
/// self.0.iter().fold(fmt.debug_list(), |b, e| b.entry(e)).finish()
/// }
/// }
///
@ -722,11 +718,7 @@ impl<'a> Formatter<'a> {
///
/// impl fmt::Debug for Foo {
/// fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
/// let mut builder = fmt.debug_set();
/// for i in &self.0 {
/// builder = builder.entry(i);
/// }
/// builder.finish()
/// self.0.iter().fold(fmt.debug_set(), |b, e| b.entry(e)).finish()
/// }
/// }
///
@ -752,11 +744,7 @@ impl<'a> Formatter<'a> {
///
/// impl fmt::Debug for Foo {
/// fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
/// let mut builder = fmt.debug_map();
/// for &(ref key, ref value) in &self.0 {
/// builder = builder.entry(key, value);
/// }
/// builder.finish()
/// self.0.iter().fold(fmt.debug_map(), |b, (k, v)| b.entry(k, v)).finish()
/// }
/// }
///