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clippy

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Dominic 2019-10-20 15:44:20 +02:00
parent 5282dbbe6c
commit 197aad3c94
Signed by: msrd0
GPG key ID: DCC8C247452E98F9
1 changed files with 17 additions and 27 deletions
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30
gotham_restful_derive/src/from_body.rs
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@ -16,37 +16,27 @@ pub fn expand_from_body(tokens : TokenStream) -> TokenStream
let (were, body) = match input.fields {
Fields::Named(named) => {
let fields = named.named;
if fields.len() == 0 // basically unit
{
(quote!(), quote!(Self{}))
}
else if fields.len() == 1
{
match fields.len() {
0 => (quote!(), quote!(Self{})),
1 => {
let field = fields.first().unwrap();
let field_ident = field.ident.as_ref().unwrap();
let field_ty = &field.ty;
(quote!(where #field_ty : for<'a> From<&'a [u8]>), quote!(Self { #field_ident: body.into() }))
}
else
{
panic!("FromBody can only be derived for structs with at most one field")
},
_ => panic!("FromBody can only be derived for structs with at most one field")
}
},
Fields::Unnamed(unnamed) => {
let fields = unnamed.unnamed;
if fields.len() == 0 // basically unit
{
(quote!(), quote!(Self{}))
}
else if fields.len() == 1
{
match fields.len() {
0 => (quote!(), quote!(Self{})),
1 => {
let field = fields.first().unwrap();
let field_ty = &field.ty;
(quote!(where #field_ty : for<'a> From<&'a [u8]>), quote!(Self(body.into())))
}
else
{
panic!("FromBody can only be derived for structs with at most one field")
},
_ => panic!("FromBody can only be derived for structs with at most one field")
}
},
Fields::Unit => (quote!(), quote!(Self{}))