IO.iodata_length
You're seeing just the function
iodata_length
, go back to IO module for more information.
Specs
iodata_length(iodata()) :: non_neg_integer()
Returns the size of an IO data.
For more information about IO data, see the "IO data" section in the module documentation.
Inlined by the compiler.
Examples
iex> IO.iodata_length([1, 2 | <<3, 4>>])
4