Iceman

@swift-main

func withMemoryCSVWriter<each T: LosslessStringConvertible>( headers: repeat (String, (each T).Type), task: (_ emit: (_ row: (repeat each T)) throws -> () ) throws -> () ) throws { var arrayHeaders: [String] = [] repeat arrayHeaders.append((each headers).0) print(arrayHeaders) try task { (_ row: (repeat each T)) in var arrayRow: [String] = [] repeat arrayRow.append((each row).description) print(arrayRow) } } try withMemoryCSVWriter(headers: ("aaa", Int.self), ("iii", String.self) ) { (emit) in try emit((1, "hello")) }

exit status: 139 with

<unknown>:0: error: INTERNAL ERROR: feature not implemented: reabstraction of pack values Stack dump: 0. Program arguments: /usr/bin/swift-frontend -frontend -interpret - -disable-objc-interop -new-driver-path /usr/bin/swift-driver -empty-abi-descriptor -resource-dir /usr/lib/swift -module-name main -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins

stderr.log

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