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author | Mathias <mathias@decodified.com> | 2017-12-14 14:20:39 +0100 |
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committer | Mathias <mathias@decodified.com> | 2017-12-28 14:19:16 +0100 |
commit | bcf82e599189fd5bb64e8b248f46caef7734e73e (patch) | |
tree | 3faad616f2a6ab2d1af11fe2f85b5dc3c7e8a77c /core/shared/src/main/scala/interface.scala | |
parent | d4f51be01aba1ff32707a91d44f85272b7c2f562 (diff) | |
download | magnolia-bcf82e599189fd5bb64e8b248f46caef7734e73e.tar.gz magnolia-bcf82e599189fd5bb64e8b248f46caef7734e73e.tar.bz2 magnolia-bcf82e599189fd5bb64e8b248f46caef7734e73e.zip |
Add `CaseClass.rawConstruct` and new `Patcher` example
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 a82a54c..b06f350 100644 --- a/core/shared/src/main/scala/interface.scala +++ b/core/shared/src/main/scala/interface.scala @@ -123,7 +123,22 @@ 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 * |