@@ -168,10 +168,16 @@ fn extract_shopify_function_return_type(ast: &syn::ItemFn) -> Result<&syn::Ident
168168 use syn:: * ;
169169
170170 let ReturnType :: Type ( _arrow, ty) = & ast. sig . output else {
171- return Err ( Error :: new_spanned ( & ast. sig , "Shopify Functions require an explicit return type" ) )
171+ return Err ( Error :: new_spanned (
172+ & ast. sig ,
173+ "Shopify Functions require an explicit return type" ,
174+ ) ) ;
172175 } ;
173176 let Type :: Path ( path) = ty. as_ref ( ) else {
174- return Err ( Error :: new_spanned ( & ast. sig , "Shopify Functions must return a Result" ) )
177+ return Err ( Error :: new_spanned (
178+ & ast. sig ,
179+ "Shopify Functions must return a Result" ,
180+ ) ) ;
175181 } ;
176182 let result = path. path . segments . last ( ) . unwrap ( ) ;
177183 if result. ident != "Result" {
@@ -181,7 +187,10 @@ fn extract_shopify_function_return_type(ast: &syn::ItemFn) -> Result<&syn::Ident
181187 ) ) ;
182188 }
183189 let PathArguments :: AngleBracketed ( generics) = & result. arguments else {
184- return Err ( Error :: new_spanned ( result, "Shopify Function Result is missing generic arguments" ) )
190+ return Err ( Error :: new_spanned (
191+ result,
192+ "Shopify Function Result is missing generic arguments" ,
193+ ) ) ;
185194 } ;
186195 if generics. args . len ( ) != 1 {
187196 return Err ( Error :: new_spanned (
@@ -190,10 +199,16 @@ fn extract_shopify_function_return_type(ast: &syn::ItemFn) -> Result<&syn::Ident
190199 ) ) ;
191200 }
192201 let GenericArgument :: Type ( ty) = generics. args . first ( ) . unwrap ( ) else {
193- return Err ( Error :: new_spanned ( generics, "Shopify Function Result expects a type" ) )
202+ return Err ( Error :: new_spanned (
203+ generics,
204+ "Shopify Function Result expects a type" ,
205+ ) ) ;
194206 } ;
195207 let Type :: Path ( path) = ty else {
196- return Err ( Error :: new_spanned ( result, "Unexpected result type for Shopify Function Result" ) )
208+ return Err ( Error :: new_spanned (
209+ result,
210+ "Unexpected result type for Shopify Function Result" ,
211+ ) ) ;
197212 } ;
198213 Ok ( & path. path . segments . last ( ) . as_ref ( ) . unwrap ( ) . ident )
199214}
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