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Files
fp-go/either/curry.go
Dr. Carsten Leue c07df5c771 initial checkin
Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
2023-07-07 22:31:06 +02:00

62 lines
1.7 KiB
Go

package either
import (
F "github.com/ibm/fp-go/function"
)
// these function curry a golang function that returns an error into its curried version that returns an either
func Curry0[R any](f func() (R, error)) func() Either[error, R] {
return Eitherize0(f)
}
func Curry1[T1, R any](f func(T1) (R, error)) func(T1) Either[error, R] {
return Eitherize1(f)
}
func Curry2[T1, T2, R any](f func(T1, T2) (R, error)) func(T1) func(T2) Either[error, R] {
return F.Curry2(Eitherize2(f))
}
func Curry3[T1, T2, T3, R any](f func(T1, T2, T3) (R, error)) func(T1) func(T2) func(T3) Either[error, R] {
return F.Curry3(Eitherize3(f))
}
func Curry4[T1, T2, T3, T4, R any](f func(T1, T2, T3, T4) (R, error)) func(T1) func(T2) func(T3) func(T4) Either[error, R] {
return F.Curry4(Eitherize4(f))
}
func Uncurry0[R any](f func() Either[error, R]) func() (R, error) {
return func() (R, error) {
return UnwrapError(f())
}
}
func Uncurry1[T1, R any](f func(T1) Either[error, R]) func(T1) (R, error) {
uc := F.Uncurry1(f)
return func(t1 T1) (R, error) {
return UnwrapError(uc(t1))
}
}
func Uncurry2[T1, T2, R any](f func(T1) func(T2) Either[error, R]) func(T1, T2) (R, error) {
uc := F.Uncurry2(f)
return func(t1 T1, t2 T2) (R, error) {
return UnwrapError(uc(t1, t2))
}
}
func Uncurry3[T1, T2, T3, R any](f func(T1) func(T2) func(T3) Either[error, R]) func(T1, T2, T3) (R, error) {
uc := F.Uncurry3(f)
return func(t1 T1, t2 T2, t3 T3) (R, error) {
return UnwrapError(uc(t1, t2, t3))
}
}
func Uncurry4[T1, T2, T3, T4, R any](f func(T1) func(T2) func(T3) func(T4) Either[error, R]) func(T1, T2, T3, T4) (R, error) {
uc := F.Uncurry4(f)
return func(t1 T1, t2 T2, t3 T3, t4 T4) (R, error) {
return UnwrapError(uc(t1, t2, t3, t4))
}
}