Tombarr

def add_ten(x) do
  x + 10
end

add_five = fn x -> x + 5 end
add_two = &(&1 + 2)

add_ten(10) # 20
add_five.(10) # 15
add_two.(10) # 12

Tombarr

function addTen(x) {
  return x + 10;
}

// You can also assign an arrow functions to a variable
const addTen = (x) => x + 10;

addTen(10); // 20

Tombarr

case [1, 2, 3] do
  [1, 2, 4] -> false
  [a, 2, 3] -> true
  _ -> true # default condition
end

Tombarr

case (Date.utc_today |> Date.day_of_week) do
  0 -> "Sunday"
  1 -> "Monday"
  _ -> "Some other day..."
end

Tombarr

switch (new Date().getDay()) {
  case 0:
    return "Sunday";
  case 1:
    return "Monday";
  default:
    return "Some other day...";
}

Tombarr

unless condition do
  # occurs when condition is false
end

if not condition do
  # same as if not
end

Tombarr

cond do
  x > y -> "x is larger"
  x < y -> "x is smaller"
  x == y -> "x and y are equal"
  true -> "this is always true"
end

Tombarr

if condition do

else

end

Tombarr

if (condition) {
  
} else if (otherCondition) {
  
} else {
  
}

Tombarr

arr = [1, 2, 3, 4, 5]
arr_sqrd = Enum.map(arr, fn x -> x * x end)
arr_sqrd_sum = Enum.reduce(arr_sqrd, fn x, s -> x + s end)