String.at
You're seeing just the function
at
, go back to String module for more information.
Specs
Returns the grapheme at the position
of the given UTF-8 string
.
If position
is greater than string
length, then it returns nil
.
Examples
iex> String.at("elixir", 0)
"e"
iex> String.at("elixir", 1)
"l"
iex> String.at("elixir", 10)
nil
iex> String.at("elixir", -1)
"r"
iex> String.at("elixir", -10)
nil