Go functions look like any language’s functions until they return two things at once and nothing weird happens. Today: syntax, multiple returns, variadics, closures and defer, your open resources’ best friend. Syntax: the type goes after The type after the name feels odd for ten minutes, then reads better, especially in complex signatures. The official […]
READ MOREGo has no classes, no inheritance either, and yet massive systems are written in it. The trick, Go structs for data, methods for behavior, composition for reuse. Step by step. Structs: data, period A struct is a collection of named fields (A Tour of Go, structs): Juicy detail: visibility in Go goes by capitalization. A […]
READ MOREGo interfaces are the piece that upgrades the language from “cute little language” to “language Kubernetes and Docker are written in”. And they work backwards from what you expect if you come from Java. Implicit implementation: no implements A Go interface is a set of method signatures. Here’s the twist, a type implements it automatically […]
READ MORESeven articles in and you’ve been using Go slices without knowing what they really are. Today we pop the hood, because the difference between using Go and understanding Go lives exactly here: knowing what’s underneath a []int. Arrays: the foundations you rarely touch Go’s array is fixed size and behaves as a VALUE (A Tour […]
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