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fix: add missing Flatten to Reader

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-09-20 17:53:45 +02:00
parent 226c7039de
commit e8fdbe9f87
5 changed files with 28 additions and 0 deletions
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5
context/readerio/reader.go
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@@ -65,3 +65,8 @@ func Defer[A any](gen L.Lazy[ReaderIO[A]]) ReaderIO[A] {
func Memoize[A any](rdr ReaderIO[A]) ReaderIO[A] {
return R.Memoize[ReaderIO[A]](rdr)
}
// Flatten converts a nested [ReaderIO] into a [ReaderIO]
func Flatten[A any](mma ReaderIO[ReaderIO[A]]) ReaderIO[A] {
return R.Flatten[ReaderIO[A]](mma)
}

9
context/readerioeither/generic/reader.go
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@@ -583,3 +583,12 @@ func Memoize[
A any](rdr GRA) GRA {
return RIE.Memoize[GRA](rdr)
}
func Flatten[
GGRA ~func(context.Context) GGIOA,
GGIOA ~func() E.Either[error, GRA],
GRA ~func(context.Context) GIOA,
GIOA ~func() E.Either[error, A],
A any](rdr GGRA) GRA {
return RIE.Flatten[GRA](rdr)
}

6
context/readerioeither/reader.go
View File

@@ -220,3 +220,9 @@ func Alt[A any](second L.Lazy[ReaderIOEither[A]]) func(ReaderIOEither[A]) Reader
func Memoize[A any](rdr ReaderIOEither[A]) ReaderIOEither[A] {
return G.Memoize[ReaderIOEither[A]](rdr)
}
// Flatten converts a nested [ReaderIOEither] into a [ReaderIOEither]
func Flatten[
A any](rdr ReaderIOEither[ReaderIOEither[A]]) ReaderIOEither[A] {
return G.Flatten[ReaderIOEither[ReaderIOEither[A]]](rdr)
}