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CC-Tweaked/doc/events/key_up.md
Jonathan Coates 440fca6535
Relicense a couple of more files
We've got in touch with Brady, so can now do the last of the docs \o/!

Also pick up a couple of stragglers that I'd missed from before.
2023-10-11 08:00:07 +01:00

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Markdown

---
module: [kind=event] key_up
see: keys For a lookup table of the given keys.
---
<!--
SPDX-FileCopyrightText: 2021 The CC: Tweaked Developers
SPDX-License-Identifier: MPL-2.0
-->
Fired whenever a key is released (or the terminal is closed while a key was being pressed).
This event returns a numerical "key code" (for instance, <kbd>F1</kbd> is 290). This value may vary between versions and
so it is recommended to use the constants in the [`keys`] API rather than hard coding numeric values.
## Return values
1. [`string`]: The event name.
2. [`number`]: The numerical key value of the key pressed.
## Example
Prints each key released on the keyboard whenever a [`key_up`] event is fired.
```lua
while true do
local event, key = os.pullEvent("key_up")
local name = keys.getName(key) or "unknown key"
print(name .. " was released.")
end
```