Macro freya::prelude::write_impls

macro_rules! write_impls {
    (
        $ty:ident
        // Accept generics
        < T $(, $gen:ident $(: $gen_bound:path)?)* $(,)?>
        // Accept extra bounds
        $(
            where
                $(
                    $extra_bound_ty:ident: $extra_bound:path
                ),+
        )?) => { ... };
}

This macro is used to generate impl Add, impl AddAssign, impl Sub, impl SubAssign, impl Mul, impl MulAssign, impl Div, and impl DivAssign blocks for any Writable type that takes a generic T

Example

use generational_box::*;
use dioxus::prelude::*;

struct MyCopyValue<T: 'static, S: Storage<T>> {
    value: CopyValue<T, S>,
}

impl<T: 'static, S: Storage<T>> Readable for MyCopyValue<T, S> {
    type Target = T;
    type Storage = S;

    fn try_read_unchecked(
        &self,
    ) -> Result<ReadableRef<'static, Self>, generational_box::BorrowError> {
        self.value.try_read_unchecked()
    }

    fn peek_unchecked(&self) -> ReadableRef<'static, Self> {
        self.value.read_unchecked()
    }
}

impl<T: 'static, S: Storage<T>> Writable for MyCopyValue<T, S> {
    fn try_write_unchecked(
        &self,
    ) -> Result<WritableRef<'static, Self>, generational_box::BorrowMutError> {
        self.value.try_write_unchecked()

     }

    //...
}

write_impls!(MyCopyValue<T, S: Storage<T>>);