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Implement v2 using type aliases (#141)
* fix: initial checkin of v2 Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: slowly migrate IO Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: migrate MonadTraverseArray and TraverseArray Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: migrate traversal Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: complete migration of IO Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: migrate ioeither Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: refactorY Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: next step in migration Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: adjust IO generation code Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: get rid of more IO methods Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: get rid of more IO * fix: convert iooption Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: convert reader Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: convert a bit of reader Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: new build script Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: cleanup Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: reformat Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: simplify Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: some cleanup Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: adjust Pair to Haskell semantic Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: documentation and testcases Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: some performance optimizations Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: remove coverage Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> * fix: better doc Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com> --------- Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Carsten Leue
GitHub
84
v2/di/utils.go
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84
v2/di/utils.go
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// Copyright (c) 2023 - 2025 IBM Corp.
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// All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package di
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import (
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DIE "github.com/IBM/fp-go/v2/di/erasure"
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E "github.com/IBM/fp-go/v2/either"
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"github.com/IBM/fp-go/v2/errors"
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F "github.com/IBM/fp-go/v2/function"
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IOE "github.com/IBM/fp-go/v2/ioeither"
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IOO "github.com/IBM/fp-go/v2/iooption"
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O "github.com/IBM/fp-go/v2/option"
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)
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var (
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toOptionAny = toType[O.Option[any]]()
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toIOEitherAny = toType[IOE.IOEither[error, any]]()
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toIOOptionAny = toType[IOO.IOOption[any]]()
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toArrayAny = toType[[]any]()
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)
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// asDependency converts a generic type to a [DIE.Dependency]
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func asDependency[T DIE.Dependency](t T) DIE.Dependency {
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return t
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}
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// toType converts an any to a T
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func toType[T any]() func(t any) E.Either[error, T] {
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return E.ToType[T](errors.OnSome[any]("Value of type [%T] cannot be converted."))
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}
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// toOptionType converts an any to an Option[any] and then to an Option[T]
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func toOptionType[T any](item func(any) E.Either[error, T]) func(t any) E.Either[error, O.Option[T]] {
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return F.Flow2(
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toOptionAny,
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E.Chain(O.Fold(
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F.Nullary2(O.None[T], E.Of[error, O.Option[T]]),
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F.Flow2(
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item,
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E.Map[error](O.Of[T]),
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),
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)),
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)
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}
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// toIOEitherType converts an any to an IOEither[error, any] and then to an IOEither[error, T]
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func toIOEitherType[T any](item func(any) E.Either[error, T]) func(t any) E.Either[error, IOE.IOEither[error, T]] {
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return F.Flow2(
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toIOEitherAny,
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E.Map[error](IOE.ChainEitherK(item)),
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)
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}
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// toIOOptionType converts an any to an IOOption[any] and then to an IOOption[T]
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func toIOOptionType[T any](item func(any) E.Either[error, T]) func(t any) E.Either[error, IOO.IOOption[T]] {
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return F.Flow2(
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toIOOptionAny,
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E.Map[error](IOO.ChainOptionK(F.Flow2(
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item,
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E.ToOption[error, T],
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))),
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)
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}
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// toArrayType converts an any to a []T
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func toArrayType[T any](item func(any) E.Either[error, T]) func(t any) E.Either[error, []T] {
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return F.Flow2(
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toArrayAny,
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E.Chain(E.TraverseArray(item)),
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)
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}
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