Control Flow

case

case x do
  []     -> ...
  [x|xs] -> ...
end

cond

cond do
  is_foo?(x) -> deal_with_foo
  is_bar?(x) -> deal_with_bar
end

if

if condition do
    ...
else
    ...
end

# Using keyword lists
if condition, do: ..., else: ...

unless

unless condition do
    ...
end