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Name type_params consistently with Syn

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This commit is contained in:
David Tolnay
2018-04-12 22:04:34 -07:00
parent ec773fb7db
commit f06001c086
1 changed files with 8 additions and 8 deletions
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serde_derive/src/bound.rs
+8 -8
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@@ -116,11 +116,11 @@ where
struct FindTyParams { struct FindTyParams {
// Set of all generic type parameters on the current struct (A, B, C in // Set of all generic type parameters on the current struct (A, B, C in
// the example). Initialized up front. // the example). Initialized up front.
all_ty_params: HashSet<syn::Ident>, all_type_params: HashSet<syn::Ident>,
// Set of generic type parameters used in fields for which filter // Set of generic type parameters used in fields for which filter
// returns true (A and B in the example). Filled in as the visitor sees // returns true (A and B in the example). Filled in as the visitor sees
// them. // them.
relevant_ty_params: HashSet<syn::Ident>, relevant_type_params: HashSet<syn::Ident>,
} }
impl<'ast> visit::Visit<'ast> for FindTyParams { impl<'ast> visit::Visit<'ast> for FindTyParams {
fn visit_path(&mut self, path: &syn::Path) { fn visit_path(&mut self, path: &syn::Path) {
@@ -133,8 +133,8 @@ where
} }
if path.leading_colon.is_none() && path.segments.len() == 1 { if path.leading_colon.is_none() && path.segments.len() == 1 {
let id = path.segments[0].ident; let id = path.segments[0].ident;
if self.all_ty_params.contains(&id) { if self.all_type_params.contains(&id) {
self.relevant_ty_params.insert(id); self.relevant_type_params.insert(id);
} }
} }
visit::visit_path(self, path); visit::visit_path(self, path);
@@ -149,13 +149,13 @@ where
fn visit_macro(&mut self, _mac: &syn::Macro) {} fn visit_macro(&mut self, _mac: &syn::Macro) {}
} }
let all_ty_params = generics.type_params() let all_type_params = generics.type_params()
.map(|param| param.ident) .map(|param| param.ident)
.collect(); .collect();
let mut visitor = FindTyParams { let mut visitor = FindTyParams {
all_ty_params: all_ty_params, all_type_params: all_type_params,
relevant_ty_params: HashSet::new(), relevant_type_params: HashSet::new(),
}; };
match cont.data { match cont.data {
Data::Enum(ref variants) => for variant in variants.iter() { Data::Enum(ref variants) => for variant in variants.iter() {
@@ -176,7 +176,7 @@ where
let new_predicates = generics.type_params() let new_predicates = generics.type_params()
.map(|param| param.ident) .map(|param| param.ident)
.filter(|id| visitor.relevant_ty_params.contains(id)) .filter(|id| visitor.relevant_type_params.contains(id))
.map(|id| { .map(|id| {
syn::WherePredicate::Type(syn::PredicateType { syn::WherePredicate::Type(syn::PredicateType {
lifetimes: None, lifetimes: None,