In operator
The in operator tests for membership using === within an enumerable.
true = "one" in ["one", "two"]
# `in` is equivalent to calling Enum.member?/2
Enum.member?(["one", "two"], "one")
true = {:a, 1} in %{a: 1, b: 2}
true = 1 in 1..4The in operator tests for membership using === within an enumerable.
true = "one" in ["one", "two"]
# `in` is equivalent to calling Enum.member?/2
Enum.member?(["one", "two"], "one")
true = {:a, 1} in %{a: 1, b: 2}
true = 1 in 1..4