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patch 7.4.1430

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Problem:    When encoding JSON, turning NaN and Infinity into null without
            giving an error is not useful.
Solution:   Pass NaN and Infinity on.  If the receiver can't handle them it
            will generate the error.
This commit is contained in:
Bram Moolenaar
2016-02-27 16:33:22 +01:00
parent d804fdf4c2
commit 7ce686c990
4 changed files with 19 additions and 21 deletions
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14
runtime/doc/eval.txt
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@@ -1,4 +1,4 @@
*eval.txt* For Vim version 7.4. Last change: 2016 Feb 23
*eval.txt* For Vim version 7.4. Last change: 2016 Feb 27
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -4561,6 +4561,8 @@ json_encode({expr}) *json_encode()*
Vim values are converted as follows:
Number decimal number
Float floating point number
Float nan "NaN"
Float inf "Infinity"
String in double quotes (possibly null)
Funcref not possible, error
List as an array (possibly null); when
@@ -4571,13 +4573,9 @@ json_encode({expr}) *json_encode()*
v:true "true"
v:none "null"
v:null "null"
Note that using v:none is permitted, although the JSON
standard does not allow empty items. This can be useful for
omitting items in an array:
[0,,,,,5] ~
This is much more efficient than:
[0,null,null,null,null,5] ~
But a strict JSON parser will not accept it.
Note that NaN and Infinity are passed on as values. This is
missing in the JSON standard, but several implementations do
allow it. If not then you will get an error.
keys({dict}) *keys()*
Return a |List| with all the keys of {dict}. The |List| is in