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| author | Bram Moolenaar <Bram@vim.org> | 2021-01-02 16:39:53 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2021-01-02 16:39:53 +0100 |
| commit | 7e6a515ed14e204fafb3dd6e98f2fb543e64aedd (patch) | |
| tree | 75163fe37994ee84b512bbd8d833453583fd3bd8 /runtime/doc/vim9.txt | |
| parent | 02faa944c69ea22a7a5338135b686dac2c946ca1 (diff) | |
| download | vim-git-7e6a515ed14e204fafb3dd6e98f2fb543e64aedd.tar.gz | |
Update runtime files.
Diffstat (limited to 'runtime/doc/vim9.txt')
| -rw-r--r-- | runtime/doc/vim9.txt | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt index b21b7bfad..e13863a02 100644 --- a/runtime/doc/vim9.txt +++ b/runtime/doc/vim9.txt @@ -1,4 +1,4 @@ -*vim9.txt* For Vim version 8.2. Last change: 2020 Dec 24 +*vim9.txt* For Vim version 8.2. Last change: 2021 Jan 02 VIM REFERENCE MANUAL by Bram Moolenaar @@ -14,7 +14,7 @@ features in Vim9 script. THIS IS STILL UNDER DEVELOPMENT - ANYTHING CAN BREAK - ANYTHING CAN CHANGE -1. What is Vim9 script? |vim9-script| +1. What is Vim9 script? |Vim9-script| 2. Differences |vim9-differences| 3. New style functions |fast-functions| 4. Types |vim9-types| @@ -565,6 +565,13 @@ command: > White space is required around most operators. +White space is required in a sublist (list slice) around the ":", except at +the start and end: > + otherlist = mylist[v : count] # v:count has a different meaning + otherlist = mylist[:] # make a copy of the List + otherlist = mylist[v :] + otherlist = mylist[: v] + White space is not allowed: - Between a function name and the "(": > call Func (arg) # Error! @@ -595,7 +602,7 @@ is either falsy or truthy. This is mostly like JavaScript, except that an empty list and dict is falsy: type truthy when ~ - bool v:true or 1 + bool true, v:true or 1 number non-zero float non-zero string non-empty @@ -603,11 +610,11 @@ empty list and dict is falsy: list non-empty (different from JavaScript) dictionary non-empty (different from JavaScript) func when there is a function name - special v:true + special true or v:true job when not NULL channel when not NULL class when not NULL - object when not NULL (TODO: when isTrue() returns v:true) + object when not NULL (TODO: when isTrue() returns true) The boolean operators "||" and "&&" expect the values to be boolean, zero or one: > @@ -629,12 +636,15 @@ result is a boolean. "!!" can be used to turn any value into boolean: > When using "`.."` for string concatenation arguments of simple types are always converted to string: > 'hello ' .. 123 == 'hello 123' - 'hello ' .. v:true == 'hello v:true' + 'hello ' .. v:true == 'hello true' Simple types are string, float, special and bool. For other types |string()| can be used. *false* *true* -In Vim9 script one can use "true" for v:true and "false" for v:false. +In Vim9 script one can use "true" for v:true and "false" for v:false. When +converting a boolean to a string "false" and "true" are used, not "v:false" +and "v:true" like in legacy script. "v:none" and "v:null" are not changed, +they are only used in JSON. Indexing a string with [idx] or [idx, idx] uses character indexes instead of byte indexes. Example: > |