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Migrate to 2018 edition. (#924)
* Migrate to 2018 edition. * Use impl Iterator at one site. * Fix more rust 2018 idioms.
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@@ -152,7 +152,7 @@ impl InputMethodName {
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}
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impl fmt::Debug for InputMethodName {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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self.string.fmt(f)
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}
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}
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@@ -254,7 +254,7 @@ impl PotentialInputMethods {
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pub fn open_im(
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&mut self,
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xconn: &Arc<XConnection>,
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callback: Option<&Fn() -> ()>,
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callback: Option<&dyn Fn() -> ()>,
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) -> InputMethodResult {
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use self::InputMethodResult::*;
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