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fix: use endomorphism in optics

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-12-18 09:28:36 +01:00
parent 6d043d2752
commit a87de2f644
10 changed files with 162 additions and 101 deletions
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42
di/erasure/provider.go
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@@ -31,25 +31,28 @@ import (
R "github.com/IBM/fp-go/record"
)
type InjectableFactory = func(Dependency) IOE.IOEither[error, any]
type ProviderFactory = func(InjectableFactory) IOE.IOEither[error, any]
type (
InjectableFactory = func(Dependency) IOE.IOEither[error, any]
ProviderFactory = func(InjectableFactory) IOE.IOEither[error, any]
type paramIndex = map[int]int
type paramValue = map[int]any
type handler = func(paramIndex) func([]IOE.IOEither[error, any]) IOE.IOEither[error, paramValue]
paramIndex = map[int]int
paramValue = map[int]any
handler = func(paramIndex) func([]IOE.IOEither[error, any]) IOE.IOEither[error, paramValue]
mapping = map[int]paramIndex
type Provider interface {
fmt.Stringer
// Provides returns the [Dependency] implemented by this provider
Provides() Dependency
// Factory returns s function that can create an instance of the dependency based on an [InjectableFactory]
Factory() ProviderFactory
}
Provider interface {
fmt.Stringer
// Provides returns the [Dependency] implemented by this provider
Provides() Dependency
// Factory returns s function that can create an instance of the dependency based on an [InjectableFactory]
Factory() ProviderFactory
}
type provider struct {
provides Dependency
factory ProviderFactory
}
provider struct {
provides Dependency
factory ProviderFactory
}
)
func (p *provider) Provides() Dependency {
return p.provides
@@ -72,6 +75,9 @@ func mapFromToken(idx int, token Dependency) map[int]paramIndex {
}
var (
// Empty is the empty array of providers
Empty = A.Empty[Provider]()
mergeTokenMaps = R.UnionMonoid[int](R.UnionLastSemigroup[int, int]())
foldDeps = A.FoldMapWithIndex[Dependency](mergeTokenMaps)(mapFromToken)
mergeMaps = R.UnionLastMonoid[int, any]()
@@ -127,15 +133,13 @@ var (
}
)
type Mapping = map[int]paramIndex
func getAt[T any](ar []T) func(idx int) T {
return func(idx int) T {
return ar[idx]
}
}
func handleMapping(mp Mapping) func(res []IOE.IOEither[error, any]) IOE.IOEither[error, []any] {
func handleMapping(mp mapping) func(res []IOE.IOEither[error, any]) IOE.IOEither[error, []any] {
preFct := F.Pipe1(
mp,
R.Collect(func(idx int, p paramIndex) func([]IOE.IOEither[error, any]) IOE.IOEither[error, paramValue] {