Struct Methods - Swift Programming

Methods are functions attached to a type and called on an instance.

Call behavior on a value

struct_methods.swift

struct Rectangle {
    let width: Int
    let height: Int

    func area() -> Int {
        return width * height
    }
}

let width = 
let rectangle = Rectangle(width: width, height: 4)
let area = rectangle.area()

print("width=\(width)")
print("area=\(area)")

struct Rectangle {
    let width: Int
    let height: Int

    func area() -> Int {
        return width * height
    }
}

let width = 
let rectangle = Rectangle(width: width, height: 4)
let area = rectangle.area()

print("width=\(width)")
print("area=\(area)")

struct Rectangle {
    let width: Int
    let height: Int

    func area() -> Int {
        return width * height
    }
}

let width = 
let rectangle = Rectangle(width: width, height: 4)
let area = rectangle.area()

print("width=\(width)")
print("area=\(area)")

methods A method can read the instance's properties and return a calculated result.