package cfg // Validations represent a collection of config setting validations type Validations struct { validations map[string]Validatable } // NewValidations creates and returns an instance of Validations func NewValidations() *Validations { vals := &Validations{ validations: make(map[string]Validatable), } return vals } func (vals *Validations) append(key string, posVal Validatable) { vals.validations[key] = posVal } func (vals *Validations) intValueFor(key string) int { val := vals.validations[key] if val != nil { return val.IntValue() } return 0 }