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patch 7.4.1546

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Problem:    Sticky type checking is more annoying than useful.
Solution:   Remove the error for changing a variable type.
This commit is contained in:
Bram Moolenaar
2016-03-12 19:03:59 +01:00
parent b4ebf9ae3b
commit f6f32c38bf
5 changed files with 26 additions and 29 deletions
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27
runtime/doc/eval.txt
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@@ -1,4 +1,4 @@
*eval.txt* For Vim version 7.4. Last change: 2016 Mar 08
*eval.txt* For Vim version 7.4. Last change: 2016 Mar 12
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -113,16 +113,8 @@ to Float, printf() for Float to String and float2nr() for Float to Number.
*E891* *E892* *E893* *E894* *E907* *E911* *E914*
When expecting a Float a Number can also be used, but nothing else.
*E706* *sticky-type-checking*
You will get an error if you try to change the type of a variable. You need
to |:unlet| it first to avoid this error. String and Number are considered
equivalent though, as well are Float and Number. Consider this sequence of
commands: >
:let l = "string"
:let l = 44 " changes type from String to Number
:let l = [1, 2, 3] " error! l is still a Number
:let l = 4.4 " changes type from Number to Float
:let l = "string" " error!
*no-type-checking*
You will not get an error if you try to change the type of a variable.
1.2 Function references ~
@@ -1969,6 +1961,7 @@ islocked( {expr}) Number TRUE if {expr} is locked
isnan( {expr}) Number TRUE if {expr} is NaN
items( {dict}) List key-value pairs in {dict}
job_getchannel( {job}) Channel get the channel handle for {job}
job_info( {job}) Dict get information about {job}
job_setoptions( {job}, {options}) none set options for {job}
job_start( {command} [, {options}]) Job start a job
job_status( {job}) String get the status of {job}
@@ -4473,10 +4466,18 @@ job_getchannel({job}) *job_getchannel()*
<
{only available when compiled with the |+job| feature}
job_info({job}) *job_info()*
Returns a Dictionary with information about {job}:
"status" what |job_status()| returns
"channel" what |job_getchannel()| returns
"exitval" only valid when "status" is "dead"
"exit-cb" function to be called on exit
"stoponexit" |job-stoponexit|
job_setoptions({job}, {options}) *job_setoptions()*
Change options for {job}. Supported are:
"stoponexit" |job-stoponexit|
"exit-cb" |job-exit-cb|
"stoponexit" |job-stoponexit|
"exit-cb" |job-exit-cb|
job_start({command} [, {options}]) *job_start()*
Start a job and return a Job object. Unlike |system()| and