Method Disable

fs/features.go:218–250

Disable nil's out the named feature. If it isn't found then it will log a message.

(name string)

// Disable nil's out the named feature.  If it isn't found then it
// will log a message.
func (ft *Features) Disable(name string) *Features {
	// Prefix boolean values with ! to set the feature
	invert := false
	if strings.HasPrefix(name, "!") {
		name = name[1:]
		invert = true
	}
	v := reflect.ValueOf(ft).Elem()
	vType := v.Type()
	for i := range v.NumField() {
		vName := vType.Field(i).Name
		field := v.Field(i)
		if strings.EqualFold(name, vName) {
			if !field.CanSet() {
				Errorf(nil, "Can't set Feature %q", name)
			} else {
				if invert {
					if field.Type().Kind() == reflect.Bool {
						field.Set(reflect.ValueOf(true))
						Debugf(nil, "Set feature %q", name)
					} else {
						Errorf(nil, "Can't set Feature %q to true", name)
					}
				} else {
					zero := reflect.Zero(field.Type())
					field.Set(zero)
					Debugf(nil, "Reset feature %q", name)
				}
			}
		}
	}
	return ft
}

// List returns a slice of all the possible feature names
func (ft *Features) List() (out []string) {