Method option_self_tokens_validation

validify_derive/src/fields.rs:357–372

Return either `field` or `ref field` for the arg in `if let Some(arg)`.

(&self)

    /// Return either `field` or `ref field` for the arg in `if let Some(arg)`.
    fn option_self_tokens_validation(&self) -> proc_macro2::TokenStream {
        let ident = &self.field.ident;
        let is_ref = self.is_reference();
        let mut tokens = if is_ref {
            quote!(#ident)
        } else {
            quote!(ref #ident)
        };
        let mut ty = &self.field.ty;

        while let Some(typ) = try_extract_option(ty) {
            tokens = quote!(Some(#tokens));
            ty = typ;
        }
        tokens
    }

    fn option_self_tokens_modifications(&self) -> proc_macro2::TokenStream {
        let ident = &self.field.ident;