elixir_001: Immutability

failed_rebinding_01.ex

# Failed rebinding in pattern matching

[a, b, a] = [1, 2, 3]

# ** (MatchError) no match of right hand side value: [1, 2, 3]

pin_operator.ex

# Pin operator

a = 1
a = 3
^a = 5

# ** (MatchError) no match of right hand side value: 5

rebinding.ex

# rebinding a variable

a = 1
a = 3

simple_assignment.ex

# Simple assignment

a = 1
b = 3

without_reassignment.ex

# Without reassignment

name = "john"
name_after_one_function = function1(name)
name_after_two_functions = function2(name_after_one_function)
name_after_three_functions = function3(name_after_two_functions)