fix: add support for context sensitive readers

Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>

reader/curry.go

@@ -0,0 +1,49 @@
+package reader
+
+import (
+	G "github.com/ibm/fp-go/reader/generic"
+)
+
+// these functions curry a golang function with the context as the firsr parameter into a reader with the context as the last parameter, which
+// is a equivalent to a function returning a reader of that context
+// this goes back to the advice in https://pkg.go.dev/context to put the context as a first parameter as a convention
+
+func Curry0[R, A any](f func(R) A) Reader[R, A] {
+	return G.Curry0[Reader[R, A]](f)
+}
+
+func Curry1[R, T1, A any](f func(R, T1) A) func(T1) Reader[R, A] {
+	return G.Curry1[Reader[R, A]](f)
+}
+
+func Curry2[R, T1, T2, A any](f func(R, T1, T2) A) func(T1) func(T2) Reader[R, A] {
+	return G.Curry2[Reader[R, A]](f)
+}
+
+func Curry3[R, T1, T2, T3, A any](f func(R, T1, T2, T3) A) func(T1) func(T2) func(T3) Reader[R, A] {
+	return G.Curry3[Reader[R, A]](f)
+}
+
+func Curry4[R, T1, T2, T3, T4, A any](f func(R, T1, T2, T3, T4) A) func(T1) func(T2) func(T3) func(T4) Reader[R, A] {
+	return G.Curry4[Reader[R, A]](f)
+}
+
+func Uncurry0[R, A any](f Reader[R, A]) func(R) A {
+	return G.Uncurry0(f)
+}
+
+func Uncurry1[R, T1, A any](f func(T1) Reader[R, A]) func(R, T1) A {
+	return G.Uncurry1(f)
+}
+
+func Uncurry2[R, T1, T2, A any](f func(T1) func(T2) Reader[R, A]) func(R, T1, T2) A {
+	return G.Uncurry2(f)
+}
+
+func Uncurry3[R, T1, T2, T3, A any](f func(T1) func(T2) func(T3) Reader[R, A]) func(R, T1, T2, T3) A {
+	return G.Uncurry3(f)
+}
+
+func Uncurry4[R, T1, T2, T3, T4, A any](f func(T1) func(T2) func(T3) func(T4) Reader[R, A]) func(R, T1, T2, T3, T4) A {
+	return G.Uncurry4(f)
+}