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style: Use Default for ExtraStyleData instead of Option.

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This commit is contained in:
Emilio Cobos Álvarez 2018-01-12 11:04:24 +01:00
parent 9a1f20f1e8
commit 335ca47361
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GPG key ID: 056B727BB9C1027C
4 changed files with 18 additions and 13 deletions
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4
components/selectors/context.rs
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@ -131,7 +131,7 @@ where
pub pseudo_element_matching_fn: Option<&'a Fn(&Impl::PseudoElement) -> bool>,
/// Extra implementation-dependent matching data.
pub extra_data: Option<Impl::ExtraMatchingData>,
pub extra_data: Impl::ExtraMatchingData,
quirks_mode: QuirksMode,
classes_and_ids_case_sensitivity: CaseSensitivity,
@ -176,7 +176,7 @@ where
scope_element: None,
nesting_level: 0,
pseudo_element_matching_fn: None,
extra_data: None,
extra_data: Default::default(),
_impl: ::std::marker::PhantomData,
}
}

2
components/selectors/parser.rs
View file

@ -84,7 +84,7 @@ macro_rules! with_all_bounds {
/// are parameterized on SelectorImpl. See
/// <https://github.com/rust-lang/rust/issues/26925>
pub trait SelectorImpl: Clone + Sized + 'static {
type ExtraMatchingData: Sized + 'static;
type ExtraMatchingData: Sized + Default + 'static;
type AttrValue: $($InSelector)*;
type Identifier: $($InSelector)* + PrecomputedHash;
type ClassName: $($InSelector)* + PrecomputedHash;