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Add Runtime concept to abstract caching

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This commit is contained in:
Héctor Ramón Jiménez 2019-07-23 10:49:24 +02:00
parent eb45c51a7b
commit e55ac637a9
5 changed files with 123 additions and 89 deletions
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19
src/layout.rs
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@ -19,8 +19,16 @@ pub struct Layout<'a> {
}
impl<'a> Layout<'a> {
pub(crate) fn new(layout: &'a result::Layout, parent_position: Point) -> Self {
let position = parent_position + Vector::new(layout.location.x, layout.location.y);
pub(crate) fn new(layout: &'a result::Layout) -> Self {
Self::with_parent_position(layout, Point::new(0.0, 0.0))
}
fn with_parent_position(
layout: &'a result::Layout,
parent_position: Point,
) -> Self {
let position =
parent_position + Vector::new(layout.location.x, layout.location.y);
Layout { layout, position }
}
@ -47,9 +55,8 @@ impl<'a> Layout<'a> {
/// [`Layout`]: struct.Layout.html
/// [`Node`]: struct.Node.html
pub fn children(&'a self) -> impl Iterator<Item = Layout<'a>> {
self.layout
.children
.iter()
.map(move |layout| Layout::new(layout, self.position))
self.layout.children.iter().map(move |layout| {
Layout::with_parent_position(layout, self.position)
})
}
}