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patch 8.2.2291: Vim9: cannot use "null" for v:null

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Problem:    Vim9: cannot use "null" for v:null.
Solution:   Support "null" like "true" and "false". (closes #7495)
This commit is contained in:
Bram Moolenaar
2021-01-03 21:53:53 +01:00
parent 2ef951dd31
commit 6797782127
5 changed files with 28 additions and 8 deletions
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12
runtime/doc/vim9.txt
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@ -1,4 +1,4 @@
*vim9.txt* For Vim version 8.2. Last change: 2021 Jan 02
*vim9.txt* For Vim version 8.2. Last change: 2021 Jan 03
VIM REFERENCE MANUAL by Bram Moolenaar
@ -640,11 +640,11 @@ always converted to string: >
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. 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.
*false* *true* *null*
In Vim9 script one can use "true" for v:true, "false" for v:false and "null"
for v:null. When converting a boolean to a string "false" and "true" are
used, not "v:false" and "v:true" like in legacy script. "v:none" is not
changed, it is only used in JSON and has no equivalent in other languages.
Indexing a string with [idx] or [idx, idx] uses character indexes instead of
byte indexes. Example: >