4 Tuples

Tuples are often used as function arguments or return values

a = ("super", 99)

("super", 99)

typeof(a)

Tuple{String, Int64}

4.1 Named Tuples

a = (fruit = "mango", number = 1)

(fruit = "mango", number = 1)

typeof(a)

@NamedTuple{fruit::String, number::Int64}

Keys = (:Key1, :Key2, :Key3)
Values = (3, 5, 7)

(3, 5, 7)

x = (; zip(Keys, Values)...)

(Key1 = 3, Key2 = 5, Key3 = 7)

typeof(x)

@NamedTuple{Key1::Int64, Key2::Int64, Key3::Int64}

Keys = [:One, :Two, :Three]
Vals = [11, 13, 17]

3-element Vector{Int64}:
 11
 13
 17

z = (; zip(Keys, Values)...)

(One = 3, Two = 5, Three = 7)