alamb commented on code in PR #743:
URL:
https://github.com/apache/arrow-rs-object-store/pull/743#discussion_r3399063458
##########
src/list.rs:
##########
@@ -61,6 +61,12 @@ pub struct PaginatedListResult {
pub result: ListResult,
/// If result set truncated, the pagination token to fetch next results
pub page_token: Option<String>,
+ /// Implementation-specific extensions. Intended for use by implementations
+ /// that need to return context-specific information (like cache status)
from trait methods.
+ ///
+ /// HTTP-backed stores in this crate populate this with the extensions of
the HTTP
+ /// response, allowing custom HTTP middleware to propagate information to
callers.
+ pub extensions: http::Extensions,
Review Comment:
Given that `ListResult` already has `Extensions` -- does it add additional
value to add extensions to the PaginatedListResult as well?
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