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Use parse_macro_input to report parse errors

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This commit is contained in:
David Tolnay
2018-09-06 21:14:18 -07:00
parent 27bd640812
commit b49bd52a53
1 changed files with 2 additions and 2 deletions
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serde_derive/src/lib.rs
+2 -2
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@@ -81,7 +81,7 @@ mod try;
#[proc_macro_derive(Serialize, attributes(serde))] #[proc_macro_derive(Serialize, attributes(serde))]
pub fn derive_serialize(input: TokenStream) -> TokenStream { pub fn derive_serialize(input: TokenStream) -> TokenStream {
let input: DeriveInput = syn::parse(input).unwrap(); let input = parse_macro_input!(input as DeriveInput);
ser::expand_derive_serialize(&input) ser::expand_derive_serialize(&input)
.unwrap_or_else(compile_error) .unwrap_or_else(compile_error)
.into() .into()
@@ -89,7 +89,7 @@ pub fn derive_serialize(input: TokenStream) -> TokenStream {
#[proc_macro_derive(Deserialize, attributes(serde))] #[proc_macro_derive(Deserialize, attributes(serde))]
pub fn derive_deserialize(input: TokenStream) -> TokenStream { pub fn derive_deserialize(input: TokenStream) -> TokenStream {
let input: DeriveInput = syn::parse(input).unwrap(); let input = parse_macro_input!(input as DeriveInput);
de::expand_derive_deserialize(&input) de::expand_derive_deserialize(&input)
.unwrap_or_else(compile_error) .unwrap_or_else(compile_error)
.into() .into()