Function list_contents 

pub fn list_contents(
    file: &mut File,
    progress_cb: impl FnMut(Progress<'_>),
) -> Result<Vec<FileInfo>>

Lists all files in the input gzip file

Errors

If this function encounters any form of I/O or other error except interruption by a signal, an adequate error variant will be returned. The position in input is undefined.

Interruption by a signal instead causes progress_cb to be called with Progress::ProgressStep.