sflags
A Go library that generates command-line flags by parsing struct tags, supporting multiple flag libraries.
What is sflags?
sflags is a Go package that generates command-line flags from struct definitions using reflection and struct field tags. It simplifies CLI creation by allowing developers to declaratively define flags, environment variable mappings, and validation rules directly within their configuration structs, reducing boilerplate code and improving maintainability.
Go developers building command-line applications or tools that require configuration via flags, especially those using popular Go flag libraries like flag, pflag, cobra, urfave/cli, or kingpin.
Developers choose sflags for its struct-based declarative approach, which centralizes configuration and reduces repetitive flag parsing code, and for its compatibility with multiple flag libraries, offering flexibility without locking into a single CLI framework.
Overview
Generate flags by parsing structures
Use Cases
Best For
- Defining CLI flags declaratively using Go structs to reduce boilerplate code.
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