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Rustfmt

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David Tolnay
2017-02-12 21:59:04 -08:00
parent 964a2dd4d1
commit e8651a52e7
24 changed files with 1220 additions and 1443 deletions
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serde_derive/src/bound.rs
+35 -35
View File
@@ -10,36 +10,33 @@ use internals::attr;
// allowed here".
pub fn without_defaults(generics: &syn::Generics) -> syn::Generics {
syn::Generics {
ty_params: generics.ty_params.iter().map(|ty_param| {
syn::TyParam {
default: None,
.. ty_param.clone()
}}).collect(),
.. generics.clone()
ty_params: generics.ty_params
.iter()
.map(|ty_param| syn::TyParam { default: None, ..ty_param.clone() })
.collect(),
..generics.clone()
}
}
pub fn with_where_predicates(
generics: &syn::Generics,
predicates: &[syn::WherePredicate],
) -> syn::Generics {
pub fn with_where_predicates(generics: &syn::Generics,
predicates: &[syn::WherePredicate])
-> syn::Generics {
aster::from_generics(generics.clone())
.with_predicates(predicates.to_vec())
.build()
}
pub fn with_where_predicates_from_fields<F>(
item: &Item,
generics: &syn::Generics,
from_field: F,
) -> syn::Generics
where F: Fn(&attr::Field) -> Option<&[syn::WherePredicate]>,
pub fn with_where_predicates_from_fields<F>(item: &Item,
generics: &syn::Generics,
from_field: F)
-> syn::Generics
where F: Fn(&attr::Field) -> Option<&[syn::WherePredicate]>
{
aster::from_generics(generics.clone())
.with_predicates(
item.body.all_fields()
.flat_map(|field| from_field(&field.attrs))
.flat_map(|predicates| predicates.to_vec()))
.with_predicates(item.body
.all_fields()
.flat_map(|field| from_field(&field.attrs))
.flat_map(|predicates| predicates.to_vec()))
.build()
}
@@ -54,13 +51,12 @@ pub fn with_where_predicates_from_fields<F>(
// #[serde(skip_serializing)]
// c: C,
// }
pub fn with_bound<F>(
item: &Item,
generics: &syn::Generics,
filter: F,
bound: &syn::Path,
) -> syn::Generics
where F: Fn(&attr::Field) -> bool,
pub fn with_bound<F>(item: &Item,
generics: &syn::Generics,
filter: F,
bound: &syn::Path)
-> syn::Generics
where F: Fn(&attr::Field) -> bool
{
struct FindTyParams {
// Set of all generic type parameters on the current struct (A, B, C in
@@ -90,11 +86,13 @@ pub fn with_bound<F>(
}
}
let all_ty_params: HashSet<_> = generics.ty_params.iter()
let all_ty_params: HashSet<_> = generics.ty_params
.iter()
.map(|ty_param| ty_param.ident.clone())
.collect();
let relevant_tys = item.body.all_fields()
let relevant_tys = item.body
.all_fields()
.filter(|&field| filter(&field.attrs))
.map(|field| &field.ty);
@@ -107,15 +105,17 @@ pub fn with_bound<F>(
}
aster::from_generics(generics.clone())
.with_predicates(
generics.ty_params.iter()
.map(|ty_param| ty_param.ident.clone())
.filter(|id| visitor.relevant_ty_params.contains(id))
.map(|id| aster::where_predicate()
.with_predicates(generics.ty_params
.iter()
.map(|ty_param| ty_param.ident.clone())
.filter(|id| visitor.relevant_ty_params.contains(id))
.map(|id| {
aster::where_predicate()
// the type parameter that is being bounded e.g. T
.bound().build(aster::ty().id(id))
// the bound e.g. Serialize
.bound().trait_(bound.clone()).build()
.build()))
.build()
}))
.build()
}