---
title: "Deep Hash transformation using Lambdas"
slug: deep-hash-transformation-using-lambdas
date_published: "2015-07-03T00:00:00.000Z"
date_updated: "2015-07-03T00:00:00.000Z"
tags: []
draft: false
summary: "Today I had the need in my job of implementing a similar behaviour of what Rails hash method .deep_symbolize_keys does. Here is a possible..."
---

Today I had the need in my job of implementing a similar behaviour of what Rails hash method .deep_symbolize_keys does. Here is a possible implementation of a deep recursive hash transformation, using recursive lambdas.
