Function Lib

cel/library.go:94–114

Lib creates an EnvOption out of a Library, allowing libraries to be provided as functional args, and to be linked to each other.

(l Library)

// Lib creates an EnvOption out of a Library, allowing libraries to be provided as functional args,
// and to be linked to each other.
func Lib(l Library) EnvOption {
	singleton, isSingleton := l.(SingletonLibrary)
	return func(e *Env) (*Env, error) {
		if isSingleton {
			if e.HasLibrary(singleton.LibraryName()) {
				return e, nil
			}
			e.ensureMutableLibraries()
			e.libraries[singleton.LibraryName()] = singleton
		}
		var err error
		for _, opt := range l.CompileOptions() {
			e, err = opt(e)
			if err != nil {
				return nil, err
			}
		}
		e.progOpts = append(e.progOpts, l.ProgramOptions()...)
		return e, nil
	}
}

// StdLibOption specifies a functional option for configuring the standard CEL library.
type StdLibOption func(*stdLibrary) *stdLibrary