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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use proc_macro2::TokenStream;
use syn::DeriveInput;
use synstructure::BindStyle;
use to_computed_value;
pub fn derive(input: DeriveInput) -> TokenStream {
let trait_impl = |from_body, to_body| {
quote! {
#[inline]
fn from_animated_value(from: Self::AnimatedValue) -> Self {
#from_body
}
#[inline]
fn to_animated_value(self) -> Self::AnimatedValue {
#to_body
}
}
};
to_computed_value::derive_to_value(
input,
parse_quote!(crate::values::animated::ToAnimatedValue),
parse_quote!(AnimatedValue),
BindStyle::Move,
|_| Default::default(),
|binding| quote!(crate::values::animated::ToAnimatedValue::from_animated_value(#binding)),
|binding| quote!(crate::values::animated::ToAnimatedValue::to_animated_value(#binding)),
trait_impl,
)
}