SwiftLet #03: Var
Var is the keyword to define a variable.
var variable: String
variable = "π"
print(variable) // π
variable = "π±"
print(variable) // π±
Example 1
Some types allow for the use of different operators! So far we have only used the assignment operator (=). For this example we will try using the addition operator (+).
var variable: String
variable = "π"
print(variable) // π
variable = variable + "π±"
print(variable) // ππ±
Example 2
var variable: [String]
variable = ["π"]
print(variable) // ["π"]
variable.append("π€ͺ")
print(variable) // ["π", "π€ͺ"]