oca_presentation/page/
recursion_setup.rs

1use recursion::{Expandable, MappableFrame, PartiallyApplied};
2
3use super::PageElement;
4
5pub enum PageElementFrame<A> {
6    Value(String),
7    Page {
8        name: String,
9        attribute_order: Vec<A>,
10    },
11}
12
13impl MappableFrame for PageElementFrame<PartiallyApplied> {
14    type Frame<X> = PageElementFrame<X>;
15
16    fn map_frame<A, B>(input: Self::Frame<A>, f: impl FnMut(A) -> B) -> Self::Frame<B> {
17        match input {
18            PageElementFrame::Value(v) => PageElementFrame::Value(v),
19            PageElementFrame::Page {
20                name,
21                attribute_order,
22            } => PageElementFrame::Page {
23                name,
24                attribute_order: attribute_order.into_iter().map(f).collect(),
25            },
26        }
27    }
28}
29
30impl Expandable for PageElement {
31    type FrameToken = PageElementFrame<PartiallyApplied>;
32
33    fn from_frame(val: <Self::FrameToken as MappableFrame>::Frame<Self>) -> Self {
34        match val {
35            PageElementFrame::Value(v) => PageElement::Value(v),
36            PageElementFrame::Page {
37                name,
38                attribute_order,
39            } => PageElement::Page {
40                name,
41                attribute_order,
42            },
43        }
44    }
45}
oca_presentation/page/recursion_setup.rs

oca_presentation/page/
recursion_setup.rs
