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fix: add auto generation for Eitherize

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-07-13 16:14:38 +02:00
parent 288422ecf1
commit b34f3e3ae1
20 changed files with 2200 additions and 1270 deletions
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80
option/option.go
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@@ -20,24 +20,8 @@ func FromNillable[A any](a *A) Option[*A] {
return fromPredicate(a, F.IsNonNil[A])
}
func fromValidation[A, B any](a A, f func(A) (B, bool)) Option[B] {
b, ok := f(a)
if ok {
return Some(b)
}
return None[B]()
}
func fromValidation0[A any](f func() (A, bool)) Option[A] {
a, ok := f()
if ok {
return Some(a)
}
return None[A]()
}
func FromValidation[A, B any](f func(A) (B, bool)) func(A) Option[B] {
return F.Bind2nd(fromValidation[A, B], f)
return Optionize1(f)
}
// MonadAp is the applicative functor of Option
@@ -141,65 +125,3 @@ func Reduce[A, B any](f func(B, A) B, initial B) func(Option[A]) B {
func Filter[A any](pred func(A) bool) func(Option[A]) Option[A] {
return Fold(None[A], F.Ternary(pred, Of[A], F.Ignore1[A](None[A])))
}
func Optionize0[R any](f func() (R, bool)) func() Option[R] {
return func() Option[R] {
return fromValidation0(f)
}
}
func Optionize1[T1, R any](f func(T1) (R, bool)) func(T1) Option[R] {
return func(t1 T1) Option[R] {
return fromValidation0(func() (R, bool) {
return f(t1)
})
}
}
func Unoptionize1[T1, R any](f func(T1) Option[R]) func(T1) (R, bool) {
return func(t1 T1) (R, bool) {
return Unwrap(f(t1))
}
}
func Optionize2[T1, T2, R any](f func(t1 T1, t2 T2) (R, bool)) func(t1 T1, t2 T2) Option[R] {
return func(t1 T1, t2 T2) Option[R] {
return fromValidation0(func() (R, bool) {
return f(t1, t2)
})
}
}
func Unoptionize2[T1, T2, R any](f func(T1, T2) Option[R]) func(T1, T2) (R, bool) {
return func(t1 T1, t2 T2) (R, bool) {
return Unwrap(f(t1, t2))
}
}
func Optionize3[T1, T2, T3, R any](f func(t1 T1, t2 T2, t3 T3) (R, bool)) func(t1 T1, t2 T2, t3 T3) Option[R] {
return func(t1 T1, t2 T2, t3 T3) Option[R] {
return fromValidation0(func() (R, bool) {
return f(t1, t2, t3)
})
}
}
func Unoptionize3[T1, T2, T3, R any](f func(T1, T2, T3) Option[R]) func(T1, T2, T3) (R, bool) {
return func(t1 T1, t2 T2, t3 T3) (R, bool) {
return Unwrap(f(t1, t2, t3))
}
}
func Optionize4[T1, T2, T3, T4, R any](f func(t1 T1, t2 T2, t3 T3, t4 T4) (R, bool)) func(t1 T1, t2 T2, t3 T3, t4 T4) Option[R] {
return func(t1 T1, t2 T2, t3 T3, t4 T4) Option[R] {
return fromValidation0(func() (R, bool) {
return f(t1, t2, t3, t4)
})
}
}
func Unoptionize4[T1, T2, T3, T4, R any](f func(T1, T2, T3, T4) Option[R]) func(T1, T2, T3, T4) (R, bool) {
return func(t1 T1, t2 T2, t3 T3, t4 T4) (R, bool) {
return Unwrap(f(t1, t2, t3, t4))
}
}