Create an array of count elements

Property definitions

core $ Array :: filled_with
	# Create an array of `count` elements
	init filled_with(value: E, count: Int)
	do
		assert positive: count >= 0
		_items = new NativeArray[E](count)
		_capacity = count
		_length = count
		var i = 0
		while i < count do
			self[i] = value
			i += 1
		end
	end
lib/core/collection/array.nit:442,2--454,4