Update quote_spanned syntax

Author: dtolnay

examples/heapsize2/heapsize_derive/src/lib.rs

@@ -82,9 +82,9 @@ fn heap_size_sum(data: &Data, var: &Tokens) -> Tokens {
                     // readme of the parent directory.
                     let recurse = fields.named.iter().map(|f| {
                         let name = f.ident;
-                        let access = quote_spanned!(call_site, #var.#name);
+                        let access = quote_spanned!(call_site=> #var.#name);
                         let span = f.span().resolved_at(def_site);
-                        quote_spanned! {span,
+                        quote_spanned! {span=>
                             HeapSize::heap_size_of_children(&#access)
                         }
                     });
@@ -98,9 +98,9 @@ fn heap_size_sum(data: &Data, var: &Tokens) -> Tokens {
                     //     0 + HeapSize::heap_size(&self.0) + HeapSize::heap_size(&self.1)
                     let recurse = fields.unnamed.iter().enumerate().map(|(i, f)| {
                         let index = Index { index: i as u32, span: call_site };
-                        let access = quote_spanned!(call_site, #var.#index);
+                        let access = quote_spanned!(call_site=> #var.#index);
                         let span = f.span().resolved_at(def_site);
-                        quote_spanned! {span,
+                        quote_spanned! {span=>
                             HeapSize::heap_size_of_children(&#access)
                         }
                     });

examples/lazy-static/lazy-static/src/lib.rs

@@ -96,7 +96,7 @@ pub fn lazy_static(input: TokenStream) -> TokenStream {
     //     10 |     static ref PTR: *const () = &();
     //        |                     ^^^^^^^^^ `*const ()` cannot be shared between threads safely
     let ty_span = ty.span().resolved_at(def_site);
-    let assert_sync = quote_spanned! {ty_span,
+    let assert_sync = quote_spanned! {ty_span=>
         struct _AssertSync where #ty: Sync;
     };
 
@@ -109,12 +109,12 @@ pub fn lazy_static(input: TokenStream) -> TokenStream {
     //        |
     //     10 |     static ref A: str = "";
     //        |                   ^^^ `str` does not have a constant size known at compile-time
-    let assert_sized = quote_spanned! {ty_span,
+    let assert_sized = quote_spanned! {ty_span=>
         struct _AssertSized where #ty: Sized;
     };
 
     let init_span = init.span().resolved_at(def_site);
-    let init_ptr = quote_spanned! {init_span,
+    let init_ptr = quote_spanned! {init_span=>
         Box::into_raw(Box::new(#init))
     };