bsneed

Time to decode 10,000 Person struct's from JSON:

Argo (Simple):  8.563 seconds
        measureBlock {
            let _ : [Person]? = decode(data)
        }

Argo (Decomp'd):  3.344
        measureBlock {
            let json: Argo.JSON = JSON.parse(data)

kostiakoval

// MARK: - String
extension String {

  func rangeOf(x: String) -> Range<Index>? {
    return characters.rangeOf(x.characters)
  }
}

extension String.CharacterView {