Sample code for making request to server with query parameter and then parsing data and updating a view

UnitTesting.playground

import CoreLocation
struct PointOfInterest: Codable, Equatable {
    var name: String
}
class PointOfInterestSample {
    var tableView: UITableView = UITableView()
    var tableValues:[PointOfInterest]?
    
    func handleError(_ error: Error?) -> Void {
        print(error!)
    }
    func loadData(near coord: CLLocationCoordinate2D) {
        let url = URL(string: "/locations?lat=\(coord.latitude)&long=\(coord.longitude)")!
        URLSession.shared.dataTask(with: url) { data, response, error in
            guard let data = data else { self.handleError(error); return }
            do {
                let values = try JSONDecoder().decode([PointOfInterest].self, from: data)
                DispatchQueue.main.async {
                    self.tableValues = values
                    self.tableView.reloadData()
                }
            } catch {
                self.handleError(error)
            }
            }.resume()
    }
}