Accumulator factory: Difference between revisions

=={{header|Wren}}==

<lang ecmascript>var accumulator = Fn.new { |acc| Fn.new { |n| acc = acc + n } }

var x = accumulator.call(1)

x.call(5)

accumulator.call(3)

System.print(x.call(2.3))</lang>

{{out}}

<pre>

8.3

</pre>