test.jl

Φ = (√5 + 1) / 2
ϕ = (√5 - 1) / 2
τ = 2π
Σ = sum
Π = prod
ans = [1 / ϕ, 1 / Φ]
(1 / ϕ ≉  Φ, " ", 1 / Φ ≠ ϕ)

spaghetti(λ::Function, args::Array{Int64}) = reduce(λ, args)
spaghoot(spaghet) = println(spaghet)
# spaghetti(+, (2 for i ∈ 0:24)...)

const bloo = [1:1000000;]
@time reduce(*, bloo::Array{Int64})
@time spaghetti(*, bloo::Array{Int64})

cd("Julia\\")
@time begin
    F = open("hello.txt")
    read_uppercase(F::IOStream) = uppercase.(readlines(F))
    read_uppercase(F)
end

@time time_rand(x) = @time rand(x)

time_rand(1)

f(x::Int64) = 3x^2 + 4x + 7x^3
@time f(1)
@time f(2)
@time f.(bloo::Array{Int64})

array = [i * j for i ∈ 1:5, j ∈ 1:5]
array[array .≡ 3] .= 30
array