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| author | Steven Fackler <sfackler@gmail.com> | 2015-03-28 11:30:03 -0700 |
|---|---|---|
| committer | Steven Fackler <sfackler@gmail.com> | 2015-03-28 15:51:57 -0700 |
| commit | 842e6cf63e632473b335cffeeaeb305c45d546fa (patch) | |
| tree | fc3528474728af61697d52f1e47bff2a86f30ed6 | |
| parent | b82bcec7ce67a60adcc054670487fe534195f6d6 (diff) | |
| download | rust-842e6cf63e632473b335cffeeaeb305c45d546fa.tar.gz rust-842e6cf63e632473b335cffeeaeb305c45d546fa.zip | |
Fold in debug builder doc examples
| -rw-r--r-- | src/libcore/fmt/mod.rs | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/src/libcore/fmt/mod.rs b/src/libcore/fmt/mod.rs index 29750a0a496..e2b12b1c20d 100644 --- a/src/libcore/fmt/mod.rs +++ b/src/libcore/fmt/mod.rs @@ -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() /// } /// } /// |