Referenz und Spickzettel

x = 1                         Zuweisung/Match        ^x   Pin
{a, b} = {1, 2}               Tupel                  [h | t] = [1, 2, 3]
%{k: v} = map                 Map-Match              %Struct{f: v}
fn x -> x end                 anonyme Funktion       &(&1 + 1)   Capture
def f(x) when x > 0, do: …    Funktion mit Guard     defp   privat
x |> f() |> g(1)              Pipe
case v do pattern -> … end    if/unless/cond/with
for x <- l, cond, do: …       Comprehension

d = ~D[2025-03-15]
IO.inspect(Date.add(d, 20))
IO.inspect(Date.day_of_week(d))
IO.inspect(Date.diff(~D[2025-12-24], d))
IO.inspect(DateTime.to_iso8601(~U[2025-03-15 14:30:00Z]))
IO.inspect(Regex.scan(~r/\d+/, "a1b22c333"))
IO.inspect(Regex.replace(~r/(\w+)@(\w+)/, "mia@example", "\\2 at \\1"))
IO.inspect("2025-03-15" =~ ~r/^\d{4}-\d{2}-\d{2}$/)
IO.inspect(Path.join("a", "b.txt") |> Path.extname())