reformat more code

yaserde_derive/src/de/build_default_value.rs

@@ -7,7 +7,9 @@ pub fn build_default_value(
   value: &TokenStream,
   default: &Option<String>,
 ) -> Option<TokenStream> {
-  if let Some(d) = default {
+  let value = default
+    .as_ref()
+    .map(|d| {
       let default_function = Ident::new(
         &d,
         label
@@ -15,14 +17,12 @@ pub fn build_default_value(
           .map_or(Span::call_site(), |ident| ident.span()),
       );
 
-    Some(quote! {
-      #[allow(unused_mut)]
-      let mut #label : #field_type = #default_function();
+      quote!(#default_function())
     })
-  } else {
+    .unwrap_or_else(|| quote!(#value));
+
   Some(quote! {
     #[allow(unused_mut)]
     let mut #label : #field_type = #value;
   })
 }
-}

yaserde_derive/src/ser/expand_enum.rs

@@ -1,9 +1,6 @@
 use crate::attribute::*;
 use crate::field_type::*;
-use crate::ser::{
-  implement_deserializer::implement_deserializer,
-  label::build_label_name,
-};
+use crate::ser::{implement_deserializer::implement_deserializer, label::build_label_name};
 use proc_macro2::TokenStream;
 use syn::spanned::Spanned;
 use syn::DataEnum;

yaserde_derive/src/ser/expand_struct.rs

@@ -1,9 +1,7 @@
 use crate::attribute::*;
 use crate::field_type::*;
 use crate::ser::{
-  element::*,
-  implement_deserializer::implement_deserializer,
-  label::build_label_name,
+  element::*, implement_deserializer::implement_deserializer, label::build_label_name,
 };
 use proc_macro2::TokenStream;
 use syn::spanned::Spanned;
@@ -27,7 +25,11 @@ pub fn serialize(
 
       let label = &field.ident;
 
-      let label_name = build_label_name(&label.as_ref().unwrap(), &field_attrs, &root_attributes.default_namespace);
+      let label_name = build_label_name(
+        &label.as_ref().unwrap(),
+        &field_attrs,
+        &root_attributes.default_namespace,
+      );
 
       get_field_type(field).and_then(|f| match f {
         FieldType::FieldTypeString
@@ -223,7 +225,11 @@ pub fn serialize(
         ));
       }
 
-      let label_name = build_label_name(&label.as_ref().unwrap(), &field_attrs, &root_attributes.default_namespace);
+      let label_name = build_label_name(
+        &label.as_ref().unwrap(),
+        &field_attrs,
+        &root_attributes.default_namespace,
+      );
       let conditions = condition_generator(label, &field_attrs);
 
       get_field_type(field).and_then(|f| match f {

yaserde_derive/src/ser/label.rs

@@ -1,4 +1,3 @@
-
 use crate::attribute::YaSerdeAttribute;
 use proc_macro2::Ident;
 

yaserde_derive/src/ser/mod.rs

@@ -1,8 +1,8 @@
 pub mod element;
 pub mod expand_enum;
 pub mod expand_struct;
-pub mod label;
 pub mod implement_deserializer;
+pub mod label;
 pub mod namespace;
 
 use crate::attribute::YaSerdeAttribute;