Struct allsorts::layout::LayoutCacheData
source · [−]pub struct LayoutCacheData<T: LayoutTableType> {
pub layout_table: LayoutTable<T>,
pub supported_features: RefCell<HashMap<(u32, u32), u64>>,
pub lookups_index: RefCell<HashMap<(u32, u32, u64), usize>>,
pub cached_lookups: RefCell<Vec<Vec<(usize, u32)>>>,
/* private fields */
}
Fields
layout_table: LayoutTable<T>
supported_features: RefCell<HashMap<(u32, u32), u64>>
maps (script_tag, opt_lang_tag) to FeatureMask
opt_lang_tag = None is represented as DFLT
lookups_index: RefCell<HashMap<(u32, u32, u64), usize>>
maps (script_tag, lang_tag, FeatureMask) to cached_lookups index
cached_lookups: RefCell<Vec<Vec<(usize, u32)>>>
Auto Trait Implementations
impl<T> !RefUnwindSafe for LayoutCacheData<T>
impl<T> !Send for LayoutCacheData<T>
impl<T> !Sync for LayoutCacheData<T>
impl<T> Unpin for LayoutCacheData<T>where
T: Unpin,
impl<T> UnwindSafe for LayoutCacheData<T>where
T: UnwindSafe,
<T as LayoutTableType>::LookupType: RefUnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more