The naming scheme I use is file path, then lexical scope within the given file, finally the name of the local function. This forces uniqueness. I use undersco

The naming scheme I use is file path, then lexical scope within the given file, finally the name of the local function. This forces uniqueness. I use underscores between word groups and then camel case in each word group to prevent single word artificial restrictions without harming the convention or general legibility.