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style: Use ? in Option more often.

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This commit is contained in:
Emilio Cobos Álvarez 2017-12-09 20:26:09 +01:00
parent 5f4f355cea
commit dbf0183b0f
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GPG key ID: 056B727BB9C1027C
2 changed files with 13 additions and 23 deletions
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19
components/style/properties/declaration_block.rs
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@ -140,14 +140,9 @@ impl<'a> Iterator for NormalDeclarationIterator<'a> {
fn next(&mut self) -> Option<Self::Item> {
loop {
let next = self.0.iter.next();
match next {
Some((decl, importance)) => {
if !importance {
return Some(decl);
}
},
None => return None,
let (decl, importance) = self.0.iter.next()?;
if !importance {
return Some(decl);
}
}
}
@ -171,7 +166,7 @@ impl<'a, 'cx, 'cx_a:'cx> AnimationValueIterator<'a, 'cx, 'cx_a> {
declarations: &'a PropertyDeclarationBlock,
context: &'cx mut Context<'cx_a>,
default_values: &'a ComputedValues,
extra_custom_properties: Option<&'a Arc<::custom_properties::CustomPropertiesMap>>,
extra_custom_properties: Option<&'a Arc<::custom_properties::CustomPropertiesMap>>,
) -> AnimationValueIterator<'a, 'cx, 'cx_a> {
AnimationValueIterator {
iter: declarations.normal_declaration_iter(),
@ -187,11 +182,7 @@ impl<'a, 'cx, 'cx_a:'cx> Iterator for AnimationValueIterator<'a, 'cx, 'cx_a> {
#[inline]
fn next(&mut self) -> Option<Self::Item> {
loop {
let next = self.iter.next();
let decl = match next {
Some(decl) => decl,
None => return None,
};
let decl = self.iter.next()?;
let animation = AnimationValue::from_declaration(
decl,