FedericoStra

from numba import jit, njit

# Define a global variable.
g = 0

# foo doesn't care about the value of g at the time of definition.
@njit
def foo():
    # foo uses the global variable.
    return g

FedericoStra

module IteratedFunctions

export IteratedFunction, iterated

struct IteratedFunction{F} <: Function
    f::F
    n::UInt # ensure non-negative
end

IteratedFunction(f, n::Integer) = IteratedFunction(f, UInt(n))