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Go Maps Explained: How Key-Value Pairs Are Actually Stored

victoriametrics.com · 4,091 words · saved by 1 readers

This website uses strictly necessary cookies & statistics cookies to provide functionality and to analyze traffic. If you’re new to Go, it can be a bit confusing to figure out how to use maps in Go. And even when you’re more experienced, understanding how maps really work can be pretty tough. Take this example: Have you ever set a ‘hint’ for a map and wondered why it’s called a ‘hint’ and not something simple like length, like we do with slices? Or maybe you’ve noticed that when you use a for-range loop on a map, the order doesn’t match the insertion order, and it even changes if you loop over the same map at different times. But weirdly enough, if you loop over it at the exact same time, the order usually stays the same. This is a long story, so fasten your seat belt and dive in. Before we move on, just a heads up—the info here is based on Go 1.23. If things have changed and this isn’t up to date, feel free to ping me on X(@func25). So, let’s talk about maps in Go, it’s a built-in typ

Go Maps Explained: How Key-Value Pairs Are Actually Stored × Book a Demo 🛡️ Embedded widget blocked Your privacy settings or an extension blocked the booking widget. Open booking page If you use a blocker, allow embeds for this site and try again. Blog / Go Maps Explained: How Key-Value Pairs Are Actually Stored Go Maps Explained: How Key-Value Pairs Are Actually Stored Go @ VictoriaMetrics Open Source Tech Share: If you're new to Go, it can be a bit confusing to figure out how to use maps in Go. And even when you're more experienced, understanding how maps really work can be pretty tough. Ta

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