local Observable = require "rx.observable"

--- Returns a new Observable that skips over a specified number of values produced by the original
-- and produces the rest.
-- @arg {number=1} n - The number of values to ignore.
-- @returns {Observable}
function Observable:skip(n)
    n = n or 1

    return Observable.create(function(observer)
        local i = 1

        local function onNext(...)
            if i > n then
                observer:onNext(...)
            else
                i = i + 1
            end
        end

        local function onError(e)
            return observer:onError(e)
        end

        local function onCompleted()
            return observer:onCompleted()
        end

        return self:subscribe(onNext, onError, onCompleted)
    end)
end