hi Is it possible to print the names of my custom colors wit

Question

hi Is it possible to print the names of my custom colors within a list

Sam Marz · Answer

``` val red blood = 0xFFb92b27 val red orange = 0xFFb12b11 val colors = listOf Color red blood Color red orange ``` print red blood red orange

Joffrey · Answer

Variable names are arbitrary and not really accessible this way unless you use reflection but that wouldn t be advised What are you trying to achieve here Depending on what you want there could be several solutions You could define a class which actually stores a name as well as the color value or map those color instances to their name in a map which could be done automatically using property delegates

Joffrey · Answer

If your goal is only to access the list of names I would go for declaring those colors inside an `object` and use property delegates to automatically add the color names into a list that you can later print

Sam Marz · Answer

It is for an app that serves as an example of colors not production code to print the names of the colors used To not create more classes reflection is the way sorry i m new in kotlin

Joffrey · Answer

Reflection is definitely way more burden than creating an extra class believe me

Joffrey · Answer

Here is what I had in mind ```class DumbColorGetter val value Long ReadOnlyProperty lt MyColors Long gt override operator fun getValue thisRef MyColors property KProperty lt gt Long = value object MyColors private val allNames = mutableListOf lt String gt val all get = allNames class NamedColor val value Long operator fun provideDelegate thisRef MyColors prop KProperty lt gt ReadOnlyProperty lt MyColors Long gt allNames add prop name return DumbColorGetter value val red blood by NamedColor 0xFFb92b27 val red orange by NamedColor 0xFFb12b11 ``` This way you can have the list of all your color names using `MyCOlors all`

Joffrey · Answer

I used `Long` because those were the types of your color constants but you could use `UInt` instead

Joffrey · Answer

That being said if you want to do anything else with these names you will most likely need a way to get a color by its name etc In this case you could store these colors in a map instead of a list

Sam Marz · Answer

I appreciate the code and the explanation thanks