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fix: add support for context sensitive readers

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-07-14 23:52:14 +02:00
parent 5020437b6a
commit 84c3e3ff88
101 changed files with 4440 additions and 13 deletions
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70
readerio/generic/reader.go Normal file
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package generic
import (
F "github.com/ibm/fp-go/function"
FR "github.com/ibm/fp-go/internal/fromreader"
"github.com/ibm/fp-go/internal/readert"
IO "github.com/ibm/fp-go/io/generic"
R "github.com/ibm/fp-go/reader/generic"
)
func FromIO[GEA ~func(E) GIOA, GIOA ~func() A, E, A any](t GIOA) GEA {
return R.Of[GEA, E](t)
}
func FromReader[GA ~func(E) A, GEA ~func(E) GIOA, GIOA ~func() A, E, A any](r GA) GEA {
return readert.MonadFromReader[GA, GEA](IO.Of[GIOA, A], r)
}
func MonadMap[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GIOA ~func() A, GIOB ~func() B, E, A, B any](fa GEA, f func(A) B) GEB {
return readert.MonadMap[GEA, GEB](IO.MonadMap[GIOA, GIOB, A, B], fa, f)
}
func Map[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GIOA ~func() A, GIOB ~func() B, E, A, B any](f func(A) B) func(GEA) GEB {
return F.Bind2nd(MonadMap[GEA, GEB, GIOA, GIOB, E, A, B], f)
}
func MonadChain[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GIOA ~func() A, GIOB ~func() B, E, A, B any](ma GEA, f func(A) GEB) GEB {
return readert.MonadChain(IO.MonadChain[GIOA, GIOB, A, B], ma, f)
}
func Chain[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GIOA ~func() A, GIOB ~func() B, E, A, B any](f func(A) GEB) func(GEA) GEB {
return F.Bind2nd(MonadChain[GEA, GEB, GIOA, GIOB, E, A, B], f)
}
func Of[GEA ~func(E) GIOA, GIOA ~func() A, E, A any](a A) GEA {
return readert.MonadOf[GEA](IO.Of[GIOA, A], a)
}
func MonadAp[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GEFAB ~func(E) GIOFAB, GIOA ~func() A, GIOB ~func() B, GIOFAB ~func() func(A) B, E, A, B any](fab GEFAB, fa GEA) GEB {
return readert.MonadAp[GEA, GEB, GEFAB, E, A](IO.MonadAp[GIOA, GIOB, GIOFAB, A, B], fab, fa)
}
func Ap[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GEFAB ~func(E) GIOFAB, GIOA ~func() A, GIOB ~func() B, GIOFAB ~func() func(A) B, E, A, B any](fa GEA) func(GEFAB) GEB {
return F.Bind2nd(MonadAp[GEA, GEB, GEFAB, GIOA, GIOB, GIOFAB, E, A, B], fa)
}
func Ask[GEE ~func(E) GIOE, GIOE ~func() E, E any]() GEE {
return FR.Ask(FromReader[func(E) E, GEE, GIOE, E, E])()
}
func Asks[GA ~func(E) A, GEA ~func(E) GIOA, GIOA ~func() A, E, A any](r GA) GEA {
return FR.Asks(FromReader[GA, GEA, GIOA, E, A])(r)
}
func MonadChainIOK[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GIOA ~func() A, GIOB ~func() B, E, A, B any](ma GEA, f func(A) GIOB) GEB {
return MonadChain(ma, F.Flow2(f, FromIO[GEB]))
}
func ChainIOK[GEA ~func(E) GIOA, GEB ~func(E) GIOB, GIOA ~func() A, GIOB ~func() B, E, A, B any](f func(A) GIOB) func(GEA) GEB {
return F.Bind2nd(MonadChainIOK[GEA, GEB, GIOA, GIOB, E, A, B], f)
}
// Defer creates an IO by creating a brand new IO via a generator function, each time
func Defer[GEA ~func(E) GA, GA ~func() A, E, A any](gen func() GEA) GEA {
return func(e E) GA {
return func() A {
return gen()(e)()
}
}
}