Update to syn/quote 1.0

serde_derive/Cargo.toml

@@ -24,9 +24,9 @@ name = "serde_derive"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "0.4"
-quote = "0.6.3"
-syn = { version = "0.15.22", features = ["visit"] }
+proc-macro2 = "1.0"
+quote = "1.0"
+syn = { version = "1.0", features = ["visit"] }
 
 [dev-dependencies]
 serde = { version = "1.0", path = "../serde" }

serde_derive/src/bound.rs

@@ -115,7 +115,7 @@ pub fn with_bound(
     impl<'ast> Visit<'ast> for FindTyParams<'ast> {
         fn visit_field(&mut self, field: &'ast syn::Field) {
             if let syn::Type::Path(ref ty) = field.ty {
-                if let Some(Pair::Punctuated(ref t, _)) = ty.path.segments.first() {
+                if let Some(Pair::Punctuated(ref t, _)) = ty.path.segments.pairs().next() {
                     if self.all_type_params.contains(&t.ident) {
                         self.associated_type_usage.push(ty);
                     }
@@ -126,7 +126,7 @@ pub fn with_bound(
 
         fn visit_path(&mut self, path: &'ast syn::Path) {
             if let Some(seg) = path.segments.last() {
-                if seg.into_value().ident == "PhantomData" {
+                if seg.ident == "PhantomData" {
                     // Hardcoded exception, because PhantomData<T> implements
                     // Serialize and Deserialize whether or not T implements it.
                     return;

serde_derive/src/de.rs

@@ -145,7 +145,7 @@ impl Parameters {
     /// Type name to use in error messages and `&'static str` arguments to
     /// various Deserializer methods.
     fn type_name(&self) -> String {
-        self.this.segments.last().unwrap().value().ident.to_string()
+        self.this.segments.last().unwrap().ident.to_string()
     }
 }
 

serde_derive/src/internals/check.rs

@@ -407,7 +407,7 @@ fn member_message(member: &Member) -> String {
 fn allow_transparent(field: &Field, derive: Derive) -> bool {
     if let Type::Path(ref ty) = *field.ty {
         if let Some(seg) = ty.path.segments.last() {
-            if seg.into_value().ident == "PhantomData" {
+            if seg.ident == "PhantomData" {
                 return false;
             }
         }

serde_derive/src/internals/symbol.rs

@@ -54,6 +54,12 @@ impl PartialEq<Symbol> for Path {
     }
 }
 
+impl<'a> PartialEq<Symbol> for &'a Path {
+    fn eq(&self, word: &Symbol) -> bool {
+        self.is_ident(word.0)
+    }
+}
+
 impl Display for Symbol {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
         formatter.write_str(self.0)

serde_derive/src/ser.rs

@@ -116,7 +116,7 @@ impl Parameters {
     /// Type name to use in error messages and `&'static str` arguments to
     /// various Serializer methods.
     fn type_name(&self) -> String {
-        self.this.segments.last().unwrap().value().ident.to_string()
+        self.this.segments.last().unwrap().ident.to_string()
     }
 }