Method CopyValue

options/options.go:174–178

CopyValue copies a value from one option key to another.

(fromKey, toKey string)

// CopyValue copies a value from one option key to another.
func (o *Options) CopyValue(fromKey, toKey string) {
	if v, ok := o.m[fromKey]; ok {
		o.m[toKey] = v
	}
}

// Has checks if an option key exists.
func (o *Options) Has(key string) bool {