June 2018 Update

Task/Averages-Simple-moving-average/Julia/averages-simple-moving-average.julia

@@ -0,0 +1,22 @@
+function movingaverage(::Type{T} = Float64; lim::Integer = -1) where T<:Real
+	buffer = Vector{T}(0)
+	if lim == -1
+		# unlimited buffer
+		return (y::T) -> begin
+			push!(buffer, y)
+			return mean(buffer)
+		end
+	else
+		# limited size buffer
+		return (y) -> begin
+			push!(buffer, y)
+			if length(buffer) > lim shift!(buffer) end
+			return mean(buffer)
+		end
+	end
+end
+
+test = movingaverage()
+@show test(1.0) # mean([1])
+@show test(2.0) # mean([1, 2])
+@show test(3.0) # mean([1, 2, 3])