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" hardmode == not using arrow keys
function! s:bail()
let l:msg = 'E0X: Use hjkl'
echohl ErrorMsg | echo l:msg | echohl None
endfunction
function! s:enable_hardmode(bang)
if !a:bang
try
" map arrow keys to more useful actions
" https://coderoncode.com/posts/vim-is-the-perfect-ide
nmap r<up> :resize +2<CR>
nmap r<down> :resize -2<CR>
nmap r<left> :vertical resize +2<CR>
nmap r<right> :vertical resize +2<CR>
nmap w<up> :wincmd k<CR>
nmap w<down> :wincmd j<CR>
nmap w<left> :wincmd h<CR>
nmap w<right> :wincmd l<CR>
nmap wm<up> :wincmd K<CR>
nmap wm<down> :wincmd J<CR>
nmap wm<left> :wincmd H<CR>
nmap wm<right> :wincmd L<CR>
" or bail on them altogether
nmap <up> :call <SID>bail()<CR>
nmap <down> :call <SID>bail()<CR>
nmap <left> :call <SID>bail()<CR>
nmap <right> :call <SID>bail()<CR>
vmap <up> :call <SID>bail()<CR>
vmap <down> :call <SID>bail()<CR>
vmap <left> :call <SID>bail()<CR>
vmap <right> :call <SID>bail()<CR>
imap <up> <esc>:call <SID>bail()<CR>
imap <down> <esc>:call <SID>bail()<CR>
imap <left> <esc>:call <SID>bail()<CR>
imap <right> <esc>:call <SID>bail()<CR>
catch
endtry
else
try
nunmap <up>
nunmap <down>
nunmap <left>
nunmap <right>
vunmap <up>
vunmap <down>
vunmap <left>
vunmap <right>
iunmap <up>
iunmap <down>
iunmap <left>
iunmap <right>
catch
endtry
endif
endfunction
call s:enable_hardmode(0)
command! -bang Hardmode call s:enable_hardmode(<bang>0)
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