ianmcook commented on a change in pull request #9952:
URL: https://github.com/apache/arrow/pull/9952#discussion_r610846596
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File path: r/R/arrow-datum.R
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@@ -22,6 +22,7 @@
ArrowDatum <- R6Class("ArrowDatum", inherit = ArrowObject,
public = list(
cast = function(target_type, safe = TRUE, ...) {
+ target_type <- unmask_type_fun(enexpr(target_type)) %||% target_type
Review comment:
P.S. If every call to `as_type()` happened at a fixed number of function
calls `n` from the calling environment, then we could simply evaluate the
defused expression `type` there, using `eval.parent(type, n)`. That would allow
us to encapsulate all the NSE evaluation in `as_type()`. But that's not the
case.
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