Method wrap_modifier_if_option

validify_derive/src/fields.rs:256–272

(
        &self,
        tokens: proc_macro2::TokenStream,
    )

    }

    pub fn wrap_modifier_if_option(
        &self,
        tokens: proc_macro2::TokenStream,
    ) -> proc_macro2::TokenStream {
        let field_ident = &self.field.ident;

        if self.is_option() {
            let this = self.option_self_tokens_modifications();
            return quote!(
                if let #this = self.#field_ident.as_mut() {
                    #tokens
                }
            );
        }

        tokens
    }

    /// Wrap the quoted output of a modification in a for loop if
    /// the field type is a collection.