refactor: ModuleConfig: Simplify generated `from_config()` implementations (#775)
We can use `and_then()` to string `Option` values together so that we only need a single `?` assertion. This makes it generally possible to have e.g. `unwrap_or()` at the end.
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@ -33,7 +33,7 @@ fn impl_module_config(dinput: DeriveInput) -> proc_macro::TokenStream {
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}
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}
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};
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};
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let new_from_tokens = quote! {
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let new_from_tokens = quote! {
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#ident: <#ty>::from_config(config.get(stringify!(#ident))?)?,
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#ident: config.get(stringify!(#ident)).and_then(<#ty>::from_config)?,
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};
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};
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load_tokens = quote! {
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load_tokens = quote! {
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