Create map/option list like function list?

I want to move the cursor to the line with my map which I want to modify.

my current setting:

    "  快速查map
            func! Leo_keymap(keys)
                exe "verbose map "  . a:keys
                exe "verbose map! " . a:keys
                exe "verbose tmap " . a:keys

                " 不好: (没有上面的那么智能)
                    " exe "verbose nmap " . a:keys
                    " exe "verbose omap " . a:keys
                    " exe "verbose vmap " . a:keys
                    " exe "verbose imap " . a:keys
                    " exe "verbose cmap " . a:keys
                    " exe "verbose tmap " . a:keys
                " 不行
                    " exe "Verbose map " . a:keys  . <Bar> . "verbose map! " . a:keys . <Bar> .  "verbose tmap " . a:keys
            endfunc
            " nn map       :Verbose call Leo_keymap( input("请输入{left_hand_side}:") )<cr>
                " 想偷懒 每次少敲<c-c>, 但不行
                " nn map       :Verbose call Leo_keymap( input("请输入{left_hand_side}:<c-v>") )<cr>
            nn cd /\s\d<cr>lyiwbbg
                " capture digit 跳到数字处 并复制行号
                " \s : 空白符
                " \d : 数字
            vn map  <esc>:Verbose call Leo_keymap('')<left><Left>

            cnoreabbrev <expr> map   getcmdtype() == ":" && getcmdline() == 'map'          ? 'Verbose call Leo_keymap("")<left><left>'                       :   'map'

The issue does not name any repository files, tests, or entry points. Start by locating the existing function-list implementation and the code that renders or navigates lists, then determine how a map/option list should be integrated. Done means users can move the cursor to a mapping and modify it, with the requested behavior clarified first.