| @@ -402,6 +402,7 @@ impl<'a, 'b: 'a> DebugTuple<'a, 'b> { |
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} |
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} |
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+/// A helper used to print list-like items with no special formatting. |
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struct DebugInner<'a, 'b: 'a> { |
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fmt: &'a mut fmt::Formatter<'b>, |
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result: fmt::Result, |
| @@ -578,7 +579,8 @@ impl<'a, 'b: 'a> DebugSet<'a, 'b> { |
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/// ``` |
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#[stable(feature = "debug_builders", since = "1.2.0")] |
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pub fn finish(&mut self) -> fmt::Result { |
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-self.inner.result.and_then(|_ |
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+self.inner.result = self.inner.result.and_then(|_ |
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+self.inner.result |
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} |
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} |
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| @@ -721,7 +723,8 @@ impl<'a, 'b: 'a> DebugList<'a, 'b> { |
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/// ``` |
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#[stable(feature = "debug_builders", since = "1.2.0")] |
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pub fn finish(&mut self) -> fmt::Result { |
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-self.inner.result.and_then(|_ |
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+self.inner.result = self.inner.result.and_then(|_ |
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+self.inner.result |
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} |
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} |
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| @@ -1002,11 +1005,12 @@ impl<'a, 'b: 'a> DebugMap<'a, 'b> { |
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/// ``` |
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#[stable(feature = "debug_builders", since = "1.2.0")] |
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pub fn finish(&mut self) -> fmt::Result { |
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-self.result.and_then(|_ |
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+self.result = self.result.and_then(|_ |
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assert!(!self.has_key, "attempted to finish a map with a partial entry"); |
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self.fmt.write_str("}") |
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-}) |
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+}); |
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+self.result |
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} |
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fn is_pretty(&self) -> bool { |