---
title: "Demystifying function parameters in Go – Alex Edwards"
url: https://daily.dev/posts/demystifying-function-parameters-in-go-alex-edwards-tyzmram8u
source_url: https://www.alexedwards.net/blog/demystifying-function-parameters-in-go
type: article
source: "Alex Edwards"
published: 2023-11-08T13:14:58.306Z
updated: 2023-11-08T13:14:49.830Z
tags: ["golang"]
reading_time: 12
upvotes: 8
comments: 0
language: en
---

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# Demystifying function parameters in Go – Alex Edwards

**[Alex Edwards](https://daily.dev/sources/alexedwards)** · 12 min read · 8 upvotes · 0 comments

## Summary

This article explains how different types of function parameters behave in Go, addressing common questions about why certain data types are mutated in functions while others are not. It also covers the behavior of pointer parameters and provides examples of how to correctly modify variables outside of a function. The article highlights the importance of understanding the distinction between parameters and arguments and provides insights into how maps, slices, and channels are implemented in Go.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.alexedwards.net/blog/demystifying-function-parameters-in-go>

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---

Tags: [#golang](https://daily.dev/tags/golang)

[View this post on daily.dev](https://daily.dev/posts/demystifying-function-parameters-in-go-alex-edwards-tyzmram8u)