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Use helper function to build __field{}

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This commit is contained in:
David Tolnay
2017-01-12 21:49:20 -08:00
parent 2df529cac5
commit eb5a49e380
1 changed files with 4 additions and 8 deletions
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serde_codegen/src/de.rs
+4 -8
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@@ -498,8 +498,7 @@ fn deserialize_item_enum(
// Match arms to extract a variant from a string // Match arms to extract a variant from a string
let mut variant_arms = vec![]; let mut variant_arms = vec![];
for (i, variant) in variants.iter().filter(|variant| !variant.attrs.skip_deserializing()).enumerate() { for (i, variant) in variants.iter().filter(|variant| !variant.attrs.skip_deserializing()).enumerate() {
let variant_name = Ident::new(format!("__field{}", i)); let variant_name = field_i(i);
let variant_name = quote!(__Field::#variant_name);
let block = deserialize_variant( let block = deserialize_variant(
type_ident, type_ident,
@@ -510,7 +509,7 @@ fn deserialize_item_enum(
); );
let arm = quote! { let arm = quote! {
#variant_name => #block __Field::#variant_name => #block
}; };
variant_arms.push(arm); variant_arms.push(arm);
} }
@@ -634,9 +633,7 @@ fn deserialize_field_visitor(
is_variant: bool, is_variant: bool,
) -> Tokens { ) -> Tokens {
// Create the field names for the fields. // Create the field names for the fields.
let field_idents: &Vec<_> = &(0 .. field_names.len()) let field_idents: &Vec<_> = &(0 .. field_names.len()).map(field_i).collect();
.map(|i| Ident::new(format!("__field{}", i)))
.collect();
let ignore_variant = if is_variant || item_attrs.deny_unknown_fields() { let ignore_variant = if is_variant || item_attrs.deny_unknown_fields() {
None None
@@ -749,8 +746,7 @@ fn deserialize_map(
// Create the field names for the fields. // Create the field names for the fields.
let fields_names = fields.iter() let fields_names = fields.iter()
.enumerate() .enumerate()
.map(|(i, field)| .map(|(i, field)| (field, field_i(i)))
(field, Ident::new(format!("__field{}", i))))
.collect::<Vec<_>>(); .collect::<Vec<_>>();
// Declare each field that will be deserialized. // Declare each field that will be deserialized.