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go-type

Go language type utilities.

See the source or godoc for more detailed documentation.

Go Report Card GitHub GitHub release (latest by date) Go Reference

Packages

Currently there is only one type utility that provides a registry for named Go types. This is implemented in the reg package. Other type utilities may be added in the future.

Package reg

This package provides a dynamic type registry. The Go language doesn't provide dynamic type lookup by type name. All of the type names are removed during compilation, so even using the reflect package they're invisible.

There is thus no way to create instances of types that are unknown to a package but might be provided by an application using that package. In cases requiring type instance creation by name (from a string) it is necessary to provide a way to register types by name, look them up, and then create new instances thereof.

The original motivation for this package is serialization of data into JSON or YAML. The deserialization of that data requires instance creation by type name. See go-serial for example usage of this package.