itsscb/serde
1
0
Fork 0
mirror of https://github.com/serde-rs/serde.git synced 2025-10-02 15:25:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1442 from tcr/master

Browse Source 
Adds support for the default attr to tuple variants in enums.
This commit is contained in:
David Tolnay 2018-12-10 22:09:21 -08:00 committed by GitHub
commit 65705e2091
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
serde_derive/src/de.rs
View File

@ -661,11 +661,18 @@ fn deserialize_seq(
}) })
} }
}; };
let value = match *field.attrs.default() {
attr::Default::Default => quote!(_serde::export::Default::default()),
attr::Default::Path(ref path) => quote!(#path()),
attr::Default::None => quote!(
return _serde::export::Err(_serde::de::Error::invalid_length(#index_in_seq, &#expecting));
),
};
let assign = quote! { let assign = quote! {
let #var = match #visit { let #var = match #visit {
_serde::export::Some(__value) => __value, _serde::export::Some(__value) => __value,
_serde::export::None => { _serde::export::None => {
return _serde::export::Err(_serde::de::Error::invalid_length(#index_in_seq, &#expecting)); #value
} }
}; };
}; };