registry

Package cloudeng.io/cmdutil/registry

import cloudeng.io/cmdutil/registry

Package registry provides support for various forms of registry useful for building command line tools.

Variables

ErrUnknownKey

ErrUnknownKey = errors.New("unregistered key")

ErrUnknownKey is returned when an unregistered key is encountered.

Functions

Func ConvertAnyArgs

func ConvertAnyArgs[T any](args ...any) []T

ConvertAnyArgs converts a variadic list of any to a slice of the specified type T, ignoring any arguments that are not of type T.

Func Scheme

func Scheme(path string) string

Scheme extracts the scheme from the given path, returning "file" if no scheme is present.

Types

Type New

type New[T any] func(ctx context.Context, args ...any) (T, error)

New is a function that creates a new instance of type T

Type T

type T[T any] struct {
	// contains filtered or unexported fields
}

T represents a registry for a specific type T that selected using a string key, which is typically a URI scheme.

Methods

func (r *T[RT]) Clone() *T[RT]

Clone creates a shallow clone of the registry.

func (r *T[T]) Get(key string) New[T]

Get retrieves the factory function for the given key, or nil if the key is not registered.

func (r *T[T]) Keys() []string

Keys returns a sorted list of all registered keys.

func (r *T[T]) Register(key string, factory New[T])

Register registers a new factory function for the given key.