Nested typed collections are not supported.

[MarkoGrbec]

Tested versions

reproducible in 4.4dev-3, 4.4dev-4

System information

Linux 6.10.11-2-MANJARO #1 SMP PREEMPT_DYNAMIC Thu Sep 26 03:28:26 UTC 2024 x86_64 GNU/Linux

Issue description

Nested typed collections are not supported.
it should have ability to have nested typed arrays or dictionaries

Steps to reproduce

just write a sample code:

enum some_enum
{
    test,
    test1
}


var dict: Dictionary[int, Array[int]]
var array: Array[Array[int]]

var dict: Dictionary[int, Array[some_enum]]

an error should be given:
Nested typed collections are not supported.

Minimal reproduction project (MRP)

N/A

[dalexeev]

This is not a bug, but a known and documented limitation of the current implementation. To support nested types, we will need significant refactoring.

See also:

• Add nested typed collections godot-proposals#10022
• Statically typed Callable godot-proposals#10807 (comment)
• Other proposals/discussions with keywords unified type system and first-class types.

Thanks for the contribution nonetheless!