diff options
| author | Emilio Cobos Álvarez <emilio@crisal.io> | 2019-03-03 11:31:21 +0000 |
|---|---|---|
| committer | Emilio Cobos Álvarez <emilio@crisal.io> | 2019-03-13 15:08:20 +0100 |
| commit | 9b24a451f6d77ecefc43a5b690930c19eb704c23 (patch) | |
| tree | cc7548dd5de138b95d703cee8c2b6fb1db3b4824 /components/style_derive/to_animated_value.rs | |
| parent | 35b8b95263d4f93dd791a44a7f570e2240655fd1 (diff) | |
| download | servo-9b24a451f6d77ecefc43a5b690930c19eb704c23.tar.gz servo-9b24a451f6d77ecefc43a5b690930c19eb704c23.zip | |
style: When deriving something with an output type, map preconditions as well.
Otherwise, deriving ToComputedValue and ToAnimatedValue in structs or enums with
other where clauses just doesn't work.
Differential Revision: https://phabricator.services.mozilla.com/D21859
Diffstat (limited to 'components/style_derive/to_animated_value.rs')
| -rw-r--r-- | components/style_derive/to_animated_value.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/components/style_derive/to_animated_value.rs b/components/style_derive/to_animated_value.rs index b53cf9c3d41..1aba9b3327e 100644 --- a/components/style_derive/to_animated_value.rs +++ b/components/style_derive/to_animated_value.rs @@ -9,6 +9,12 @@ use synstructure::BindStyle; pub fn derive(mut input: DeriveInput) -> TokenStream { let mut where_clause = input.generics.where_clause.take(); + cg::propagate_clauses_to_output_type( + &mut where_clause, + &input.generics, + parse_quote!(crate::values::animated::ToAnimatedValue), + parse_quote!(AnimatedValue), + ); for param in input.generics.type_params() { cg::add_predicate( &mut where_clause, |