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Actually, field_names_idents can be calculated using the same code in both cases

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When !cattrs.has_flatten() all fields is !field.attrs.flatten()

Co-authored-by: Oliver Schneider <oli-obk@users.noreply.github.com>
This commit is contained in:
Mingun 2023-05-01 01:45:37 +05:00 committed by Mingun
parent 75db73066b
commit 5ffebeb6ef
1 changed files with 14 additions and 26 deletions
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40
serde_derive/src/de.rs
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@ -940,37 +940,25 @@ fn deserialize_struct(
};
let expecting = cattrs.expecting().unwrap_or(&expecting);
let field_names_idents: Vec<_> = fields
.iter()
.enumerate()
// Skip fields that shouldn't be deserialized or that were flattened,
// so they don't appear in the storage in their literal form
.filter(|&(_, field)| !field.attrs.skip_deserializing() && !field.attrs.flatten())
.map(|(i, field)| {
(
field.attrs.name().deserialize_name(),
field_i(i),
field.attrs.aliases(),
)
})
.collect();
let (field_visitor, fields_stmt) = if cattrs.has_flatten() {
let field_names_idents: Vec<_> = fields
.iter()
.enumerate()
.filter(|&(_, field)| !field.attrs.skip_deserializing() && !field.attrs.flatten())
.map(|(i, field)| {
(
field.attrs.name().deserialize_name(),
field_i(i),
field.attrs.aliases(),
)
})
.collect();
let field_visitor = deserialize_generated_identifier(&field_names_idents, cattrs, false, None);
(field_visitor, None)
} else {
let field_names_idents: Vec<_> = fields
.iter()
.enumerate()
.filter(|&(_, field)| !field.attrs.skip_deserializing())
.map(|(i, field)| {
(
field.attrs.name().deserialize_name(),
field_i(i),
field.attrs.aliases(),
)
})
.collect();
let fields_stmt = {
let field_names = field_names_idents
.iter()