Credo.Execution.get_source_files

You're seeing just the function get_source_files, go back to Credo.Execution module for more information.

Returns all source files for the given exec struct.

Credo.Execution.get_source_files(exec)
# => [%SourceFile<lib/my_project.ex>,
#     %SourceFile<lib/credo/my_project/foo.ex>]