On 25/09/14 10:24, mattn wrote:
I don't see what you mean with "breakable".
Sorry, I was confused. Until Patch 7.4.457, getchar() doesn't return
"\<CursorHold>". (However 0x80 0xFD was returned)
I meant getchar() return only when it used with <expr>.
augroup hogehoge
autocmd!
autocmd CursorHold,CursorHoldI,WinEnter * setlocal cursorline
augroup END
function! s:foo()
let c = 0
while c == "\<CursorHold>"
let c = getchar()
endwhile
echomsg c
return ''
endfunction
nnoremap <expr>f <SID>foo()
This function will always echomsg 0 because at the start of the loop, c
is equal to zero which is != "\<CursorHold>"; hence Bram's :let c =
getchar() just before entering the loop.
Remember that
while (condition)
DoSomething
endwhile
is equivalent (in a modified vimscript language using goto's and
labels) to
start: if (condition)
DoSomething
goto start
endif
Best regards,
Tony.
--
"There was only six Democrats in all of Hinsdale County and you, you son of
a bitch, you ate five of them."
-- Colorado judge, sentencing Alfred E. Packer for
cannibalism in 1874.
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