--[=[
@c FilteredIterable x Iterable
@mt mem
@d Iterable class that wraps another iterable and serves a subset of the objects
that the original iterable contains.
]=]

local Iterable = require('iterables/Iterable')

local FilteredIterable = require('class')('FilteredIterable', Iterable)

function FilteredIterable:__init(base, predicate)
	self._base = base
	self._predicate = predicate
end

--[=[
@m iter
@r function
@d Returns an iterator that returns all contained objects. The order of the objects
is not guaranteed.
]=]
function FilteredIterable:iter()
	return self._base:findAll(self._predicate)
end

return FilteredIterable