Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-06 06:00:15 +01:00
Code Issues Projects Releases Packages Wiki Activity

style: Handle the non-generic path earlier in the derive code.

Browse source 
No need to build the match body if there are no generics. This should hopefully
save some work too.

Depends on D26289

Differential Revision: https://phabricator.services.mozilla.com/D26290
This commit is contained in:
Emilio Cobos Álvarez 2019-04-09 01:48:18 +00:00
parent c3ab3f0963
commit fc0dad2074
1 changed files with 15 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

28
components/style_derive/to_computed_value.rs
View file

@ -30,6 +30,21 @@ pub fn derive_to_value(
// to this token stream, which should be the body of the impl block.
non_generic_implementation: impl FnOnce() -> Option<TokenStream>,
) -> TokenStream {
let name = &input.ident;
if input.generics.type_params().next().is_none() {
if let Some(non_generic_implementation) = non_generic_implementation() {
let (impl_generics, ty_generics, where_clause) = input.generics.split_for_impl();
return quote! {
impl #impl_generics #trait_path for #name #ty_generics
#where_clause
{
#non_generic_implementation
}
};
}
}
let mut where_clause = input.generics.where_clause.take();
cg::propagate_clauses_to_output_type(
&mut where_clause,
@ -73,20 +88,7 @@ pub fn derive_to_value(
};
input.generics.where_clause = where_clause;
let name = &input.ident;
let (impl_generics, ty_generics, where_clause) = input.generics.split_for_impl();
if input.generics.type_params().next().is_none() {
if let Some(non_generic_implementation) = non_generic_implementation() {
return quote! {
impl #impl_generics #trait_path for #name #ty_generics
#where_clause
{
#non_generic_implementation
}
};
}
}
let computed_value_type = cg::fmap_trait_output(
&input,
&trait_path,