static func validate_loader(loader:Callable)->bool:
	if loader.get_unbound_arguments_count() != 1:
		push_error("Cannot add loader for %s as only one String arg can be taken.")
		return false
	elif loader.get_bound_arguments()[0] is not String \
		or loader.get_bound_arguments()[0] is not StringName:
		push_error("Cannot add loader for %s as only one String arg can be taken.")
		return false
	return true


static func load_bin(buffer:PackedByteArray)->PackedByteArray: return buffer

static func load_png(buffer:PackedByteArray)->Image:
	var img:Image
	img.load_png_from_buffer(buffer)
	return img

static func load_mp3(buffer:PackedByteArray)->AudioStreamMP3:
	var sfx := AudioStreamMP3.new()
	sfx.data = buffer
	return sfx

static func load_ogg(buffer:PackedByteArray)->AudioStreamOggVorbis:
	var sfx := AudioStreamOggVorbis.new()
	sfx.data = buffer
	return sfx

static func load_txt(buffer:PackedByteArray)->String:
	var txt:String = buffer.get_string_from_utf8()
	return txt

# can't use CONST since Callables are technically instanced dynamically

static var DEFAULT_SUPPORTED_FILES:Dictionary[String,Callable] = {
	"bin": load_bin,
	"png": load_png,
	"mp3": load_mp3,
	"ogg": load_ogg,
	"txt": load_txt,
}



static var AUDIO_FILES:Dictionary[String,Callable] = {
	"mp3": load_mp3,
	"ogg": load_ogg,
}