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Share a single #[animation(no_bound(…))] for the animation traits
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commit
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5 changed files with 22 additions and 24 deletions
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@ -2,16 +2,15 @@
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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 http://mozilla.org/MPL/2.0/. */
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use animate::AnimationVariantAttrs;
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use animate::{AnimationInputAttrs, AnimationVariantAttrs};
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use cg;
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use darling::util::IdentList;
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use quote::Tokens;
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use syn::{DeriveInput, Path};
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use synstructure;
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pub fn derive(mut input: DeriveInput) -> Tokens {
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let input_attrs = cg::parse_input_attrs::<DistanceInputAttrs>(&input);
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let no_bound = input_attrs.no_bound.unwrap_or_default();
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let animation_input_attrs = cg::parse_input_attrs::<AnimationInputAttrs>(&input);
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let no_bound = animation_input_attrs.no_bound.unwrap_or_default();
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let mut where_clause = input.generics.where_clause.take();
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for param in input.generics.type_params() {
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if !no_bound.contains(¶m.ident) {
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@ -67,6 +66,7 @@ pub fn derive(mut input: DeriveInput) -> Tokens {
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input.generics.where_clause = where_clause;
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if append_error_clause {
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let input_attrs = cg::parse_input_attrs::<DistanceInputAttrs>(&input);
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if let Some(fallback) = input_attrs.fallback {
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match_body.append_all(quote! {
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(this, other) => #fallback(this, other)
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@ -99,7 +99,6 @@ pub fn derive(mut input: DeriveInput) -> Tokens {
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#[derive(Default, FromDeriveInput)]
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struct DistanceInputAttrs {
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fallback: Option<Path>,
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no_bound: Option<IdentList>,
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}
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#[darling(attributes(distance), default)]
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