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Diffstat (limited to 'core/shared/src/main/scala/interface.scala')
| -rw-r--r-- | core/shared/src/main/scala/interface.scala | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/core/shared/src/main/scala/interface.scala b/core/shared/src/main/scala/interface.scala index 193a6f9..86ef5b1 100644 --- a/core/shared/src/main/scala/interface.scala +++ b/core/shared/src/main/scala/interface.scala @@ -122,7 +122,22 @@ abstract class CaseClass[Typeclass[_], Type] private[magnolia] ( * @param makeParam lambda for converting a generic [[Param]] into the value to be used for * this parameter in the construction of a new instance of the case class * @return a new instance of the case class */ - def construct[Return](makeParam: Param[Typeclass, Type] => Return): Type + final def construct[Return](makeParam: Param[Typeclass, Type] => Return): Type = + rawConstruct(parameters map makeParam) + + /** constructs a new instance of the case class type + * + * Like [[construct]] this method is implemented by Magnolia and let's you construct case class + * instances generically in user code, without knowing their type concretely. + * + * `rawConstruct`, however, is more low-level in that it expects you to provide a [[Seq]] + * containing all the field values for the case class type, in order and with the correct types. + * + * @param fieldValues contains the field values for the case class instance to be constructed, + * in order and with the correct types. + * @return a new instance of the case class + * @throws IllegalArgumentException if the size of `paramValues` differs from the size of [[parameters]] */ + def rawConstruct(fieldValues: Seq[Any]): Type /** a sequence of [[Param]] objects representing all of the parameters in the case class * |