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fix: feature derive clause

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Kristofers Solo
2025-07-15 17:32:33 +03:00
parent 32ad6514ab
commit dabacf02df
6 changed files with 16 additions and 10 deletions
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14
filecaster-derive/src/from_file.rs
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@@ -6,6 +6,7 @@ use syn::{
};
const WITH_MERGE: bool = cfg!(feature = "merge");
const WITH_SERDE: bool = cfg!(feature = "serde");
/// Entry point: generate the shadow struct + `FromFile` impls.
pub fn impl_from_file(input: &DeriveInput) -> Result<TokenStream> {
@@ -123,11 +124,16 @@ fn process_fields(fields: &FieldsNamed) -> Result<(Vec<TokenStream>, Vec<TokenSt
/// Derive clause for the shadow struct
fn build_derive_clause() -> TokenStream {
quote! {
#[derive(Debug, Clone, Default)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
#[cfg_attr(feature = "merge", derive(merge::Merge))]
let mut traits = vec![quote! {Debug}, quote! {Clone}, quote! {Default}];
if WITH_SERDE {
traits.extend([quote! { serde::Deserialize }, quote! { serde::Serialize }]);
}
if WITH_MERGE {
traits.push(quote! { merge::Merge });
}
quote! { #[derive( #(#traits),* )] }
}
/// Add Default bound to every generic parameter