$UNSTABLE: Difference between revisions

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{{PageParameters}}
{{PageParameters}}
* The current unstable features are as follows:
* The current unstable features are as follows:
** '''MIDI''' allows usage of the [[$MIDISOUNDFONT]] metacommand
** '''MIDI''' allows usage of the [[$MIDISOUNDFONT]] metacommand ({{Text|deprecated|red}})
** '''HTTP''' allows opening HTTP connections using [[_OPENCLIENT]]
** '''HTTP''' allows opening HTTP connections using [[_OPENCLIENT]]


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* Language features that become a permanent part of the language will no longer require [[$UNSTABLE]] to be used.
* Language features that become a permanent part of the language will no longer require [[$UNSTABLE]] to be used.
* More than one [[$UNSTABLE]] can be used in a program.
* More than one [[$UNSTABLE]] can be used in a program.
* '''MIDI''' keyword was deprecated in '''QB64-PE v3.14.0'''. Use [[_MIDISOUNDBANK]] instead.




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</gallery>
</gallery>
<!-- additional availability notes go below here -->
<!-- additional availability notes go below here -->
* MIDI keyword added in '''QB64-PE v3.2.0'''
* '''MIDI''' keyword added in '''QB64-PE v3.2.0'''
* HTTP keyword added in '''QB64-PE v3.5.0'''
* '''HTTP''' keyword added in '''QB64-PE v3.5.0'''
* '''MIDI''' keyword was {{Text|deprecated|red}} in '''QB64-PE v3.14.0'''. Use [[_MIDISOUNDBANK]] instead.




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{{PageSeeAlso}}
{{PageSeeAlso}}
* [[$MIDISOUNDFONT]]
* [[$MIDISOUNDFONT]] ({{Text|deprecated|red}})
* [[$MIDISOUNDBANK]]
* [[_OPENCLIENT]]
* [[_OPENCLIENT]]




{{PageNavigation}}
{{PageNavigation}}

Revision as of 14:09, 23 July 2024

The $UNSTABLE metacommand is used to enable the use of features that have not yet been made a permanent part of the language. Features hidden behind this metacommand may have breaking changes or be removed between releases.


Syntax

$UNSTABLE: {MIDI, HTTP}


Parameters

  • The current unstable features are as follows:


Description

  • $UNSTABLE exists as a way to allow usage of new language features before they are finalized as part of the language.
  • Any languages features hidden behind $UNSTABLE may be changed in breaking ways in the next version of QB64-PE.
  • Language features that become a permanent part of the language will no longer require $UNSTABLE to be used.
  • More than one $UNSTABLE can be used in a program.


Availability

  • MIDI keyword added in QB64-PE v3.2.0
  • HTTP keyword added in QB64-PE v3.5.0
  • MIDI keyword was deprecated in QB64-PE v3.14.0. Use _MIDISOUNDBANK instead.


Examples

$UNSTABLE:MIDI

' This line is only allowed when $UNSTABLE:MIDI is used
$MIDISOUNDFONT: Default

_SNDPLAYFILE "example.mid"


See also



Navigation:
Main Page with Articles and Tutorials
Keyword Reference - Alphabetical
Keyword Reference - By usage
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