Mastering Go Reflection: Practical Patterns and Pitfalls

Struct Tags in Action Struct tags provide metadata for fields that can be accessed at runtime via reflection. They’re commonly used by serialization libraries (e.g., json, xml) but are fully customizable. field.Tag retrieves the raw tag string. field.Tag.Get("key") extracts the value associated with a specific key. field.Tag.Lookup(& ...

Posted on Sat, 07 Nov 2026 16:38:42 +0000 by kaveman50