wjones127 commented on a change in pull request #11956:
URL: https://github.com/apache/arrow/pull/11956#discussion_r773374201
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File path: r/src/symbols.cpp
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@@ -75,6 +75,10 @@ SEXP data::classes_arrow_large_list =
precious(cpp11::writable::strings(
SEXP data::classes_arrow_fixed_size_list = precious(cpp11::writable::strings(
{"arrow_fixed_size_list", "vctrs_list_of", "vctrs_vctr", "list"}));
+// TODO: do we even need this?
+SEXP data::classes_arrow_map = precious(
+ cpp11::writable::strings({"arrow_map", "arrow_list", "vctrs_list_of",
"vctrs_vctr", "list"}));
+
Review comment:
I'm a little confused on what this does, and if I need it. Arrow's maps
are just lists of structs with some extra validation. What behavior does this
affect? How is it tested?
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