internal Mapper(Mapper <TKey, TValue> mapper, KeyPredicate <TKey> keyPredicate, ValueFunc <TValue> valueFunc)
{
if (mapper == null)
{
throw new ArgumentNullException(nameof(mapper));
}
if (keyPredicate == null)
{
throw new ArgumentNullException(nameof(keyPredicate));
}
if (valueFunc == null)
{
throw new ArgumentNullException(nameof(valueFunc));
}
KeyValues = new Dictionary <KeyPredicate <TKey>, ValueFunc <TValue> >(mapper.KeyValues);
KeyValues.Add(keyPredicate, valueFunc);
DefaultValue = mapper.DefaultValue;
}
private IMapper <TKey, TValue> CreateMapperWithDefaultValueFunc(ValueFunc <TValue> defaultValueFunc)
{
return(new Mapper <TKey, TValue>(this, defaultValueFunc));
}
public IMapper <TKey, TValue> Default(Func <TValue> defaultValueFactory)
{
var defaultValueFunc = new ValueFunc <TValue>(defaultValueFactory);
return(CreateMapperWithDefaultValueFunc(defaultValueFunc));
}
internal Mapper(Mapper <TKey, TValue> mapper, ValueFunc <TValue> defaultValue)
{
KeyValues = new Dictionary <KeyPredicate <TKey>, ValueFunc <TValue> >(mapper.KeyValues);
DefaultValue = defaultValue;
}