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This is a tracking issue for the fn_box
feature and FnBox
trait, which allows a Box<FnOnce(...) -> _>
closure to be invoked via the "rust-call"
sugar.
I'm not sure what the primary concerns are. All I know is it'd be really, really nice if we could invoke a Box<FnOnce()>
somehow in safe Rust. This may or may not be the best approach.
@eddyb feel free to CC anyone who might want to comment or edit this issue to add any pertinent information.
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Blocker: Implemented in the nightly compiler and unstable.Category: An issue tracking the progress of sth. like the implementation of an RFCRelevant to the language team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.This PR / issue is in PFCP or FCP with a disposition to close it.The final comment period is finished for this PR / Issue.