EEx.eval_file

You're seeing just the function eval_file, go back to EEx module for more information.

eval_file(filename, bindings \\ [], options \\ [])

eval_file(Path.t(), keyword(), keyword()) :: String.t()

Gets a filename and evaluate the values using the bindings.

# sample.eex
foo <%= bar %>

# IEx
EEx.eval_file("sample.eex", bar: "baz")
#=> "foo baz"