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Eliminate generic functions in bound.rs

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This commit is contained in:
David Tolnay 2018-04-12 22:48:31 -07:00
parent 24700ebeb6
commit 00178ba795
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 6 additions and 12 deletions
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18
serde_derive/src/bound.rs
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@ -51,14 +51,11 @@ pub fn with_where_predicates(
generics
}
pub fn with_where_predicates_from_fields<F>(
pub fn with_where_predicates_from_fields(
cont: &Container,
generics: &syn::Generics,
from_field: F,
) -> syn::Generics
where
F: Fn(&attr::Field) -> Option<&[syn::WherePredicate]>,
{
from_field: fn(&attr::Field) -> Option<&[syn::WherePredicate]>,
) -> syn::Generics {
let predicates = cont.data
.all_fields()
.flat_map(|field| from_field(&field.attrs))
@ -82,15 +79,12 @@ where
// #[serde(skip_serializing)]
// c: C,
// }
pub fn with_bound<F>(
pub fn with_bound(
cont: &Container,
generics: &syn::Generics,
filter: F,
filter: fn(&attr::Field, Option<&attr::Variant>) -> bool,
bound: &syn::Path,
) -> syn::Generics
where
F: Fn(&attr::Field, Option<&attr::Variant>) -> bool,
{
) -> syn::Generics {
struct FindTyParams<'ast> {
// Set of all generic type parameters on the current struct (A, B, C in
// the example). Initialized up front.