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14,784 PointsWhy does the size of JSON change?
import Foundation
let json = """
{
"name": "Pasan",
"id": 1,
"role": "Teacher"
}
""".data(using: .utf8)! // this is 59 bytes
struct Employee: Codable {
let name: String
let id: Int
let role: String
enum CodingsKeys: String, CodingKey {
case name = "name"
case id = "id"
case role = "role"
}
init(form decoder: Decoder) throws {
let container = try decoder.container(keyedBy: CodingKeys.self)
self.name = try container.decode(String.self, forKey: .name)
self.id = try container.decode(Int.self, forKey: .id)
self.role = try container.decode(String.self, forKey: .role)
}
}
let decoder = JSONDecoder()
let employee = try! decoder.decode(Employee.self, from: json)
let encoder = JSONEncoder()
let encodedEmployee = try! encoder.encode(employee) // this is 40 bytes
But when we decode it do employee and then back to JSON the size decreases to 40 but not back to 59 why is this?
1 Answer
Chris Stromberg
Courses Plus Student 13,389 PointsYou have a lot of whitespace around your initial JSON object.
let json = """
{"name":"Pasan","id":1,"role":"Teacher"}
""".data(using: .utf8)! // this is 40 bytes
jakubhirner
14,784 Pointsjakubhirner
14,784 PointsThanks!