3.3 Common values

In this section, we provide a quick introduction to common basic objects. The function typeof used below returns the type of object provided as argument.

• Integers

1
typeof(1)
# Int64

• Floating-Point numbers

10.0
typeof(10.0)
# Float64

• Complex numbers

1 + 2im
typeof(1 + 2im)
# Complex{Int64}

• Rational numbers

10 // 15
typeof(10 // 15)
# Rational{Int64}

• Character

'x'
typeof('x')
# Char

• Strings

"julia"
typeof("julia")
# String

• Tuples: fixed-length container holding any values

(10.0, 2, "string")
typeof((10.0, 2, "string"))
# Tuple{Float64,Int64,String}

• Named tuples: Tuples with element names

(a = 10.0, b = 2, c = "string")
typeof((a = 10.0, b = 2, c = "string"))
# NamedTuple{(:a, :b, :c),Tuple{Float64,Int64,String}}