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events: Implement content sub-traits for event content enums

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Jonas Platte 2022-09-06 18:35:43 +02:00
parent 35b766f09b
commit 24d0b2e2bb
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1 changed files with 9 additions and 0 deletions
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9
crates/ruma-macros/src/events/event_enum.rs
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@ -360,6 +360,10 @@ fn expand_content_enum(
let variant_decls = variants.iter().map(|v| v.decl()).collect::<Vec<_>>();
let variant_arms = variants.iter().map(|v| v.match_arm(quote! { Self })).collect::<Vec<_>>();
let sub_trait_name = format_ident!("{kind}Content");
let state_event_content_impl =
(kind == EventKind::State).then(|| quote! { type StateKey = String; });
let from_impl = expand_from_impl(&ident, &content, variants);
let serialize_custom_event_error_path =
@ -409,6 +413,11 @@ fn expand_content_enum(
}
}
#[automatically_derived]
impl #ruma_common::events::#sub_trait_name for #ident {
#state_event_content_impl
}
#from_impl
})
}