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