Mercurial > vim
comparison src/testdir/test_user_func.vim @ 30065:6cf788ab844c v9.0.0370
patch 9.0.0370: cleaning up afterwards can make a function messy
Commit: https://github.com/vim/vim/commit/1d84f7608f1e41dad03b8cc7925895437775f7c0
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Sep 3 21:35:53 2022 +0100
patch 9.0.0370: cleaning up afterwards can make a function messy
Problem: Cleaning up afterwards can make a function messy.
Solution: Add the :defer command.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 03 Sep 2022 22:45:03 +0200 |
| parents | f24d4826e6bf |
| children | 0352577f1ba5 |
comparison
equal
deleted
inserted
replaced
| 30064:a8f1fbaa43c8 | 30065:6cf788ab844c |
|---|---|
| 527 "call assert_false(exists('*Xtestfunc')) | 527 "call assert_false(exists('*Xtestfunc')) |
| 528 "call assert_fails('delfunc Xtestfunc', 'E117:') | 528 "call assert_fails('delfunc Xtestfunc', 'E117:') |
| 529 bw! | 529 bw! |
| 530 endfunc | 530 endfunc |
| 531 | 531 |
| 532 func AddDefer(arg) | |
| 533 call extend(g:deferred, [a:arg]) | |
| 534 endfunc | |
| 535 | |
| 536 func WithDeferTwo() | |
| 537 call extend(g:deferred, ['in Two']) | |
| 538 for nr in range(3) | |
| 539 defer AddDefer('Two' .. nr) | |
| 540 endfor | |
| 541 call extend(g:deferred, ['end Two']) | |
| 542 endfunc | |
| 543 | |
| 544 func WithDeferOne() | |
| 545 call extend(g:deferred, ['in One']) | |
| 546 call writefile(['text'], 'Xfuncdefer') | |
| 547 defer delete('Xfuncdefer') | |
| 548 defer AddDefer('One') | |
| 549 call WithDeferTwo() | |
| 550 call extend(g:deferred, ['end One']) | |
| 551 endfunc | |
| 552 | |
| 553 func Test_defer() | |
| 554 let g:deferred = [] | |
| 555 call WithDeferOne() | |
| 556 | |
| 557 call assert_equal(['in One', 'in Two', 'end Two', 'Two2', 'Two1', 'Two0', 'end One', 'One'], g:deferred) | |
| 558 unlet g:deferred | |
| 559 | |
| 560 call assert_equal('', glob('Xfuncdefer')) | |
| 561 endfunc | |
| 562 | |
| 563 | |
| 532 " vim: shiftwidth=2 sts=2 expandtab | 564 " vim: shiftwidth=2 sts=2 expandtab |