initial checkin

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

function/bind.go

@@ -0,0 +1,52 @@
+package function
+
+func Bind1st[T1, T2, R any](f func(T1, T2) R, t1 T1) func(T2) R {
+	return func(t2 T2) R {
+		return f(t1, t2)
+	}
+}
+func Bind2nd[T1, T2, R any](f func(T1, T2) R, t2 T2) func(T1) R {
+	return func(t1 T1) R {
+		return f(t1, t2)
+	}
+}
+
+func Bind1[T1, R any](f func(T1) R, t1 T1) func() R {
+	return func() R {
+		return f(t1)
+	}
+}
+
+func Bind2[T1, T2, R any](f func(T1, T2) R, t1 T1, t2 T2) func() R {
+	return func() R {
+		return f(t1, t2)
+	}
+}
+
+func Bind3[T1, T2, T3, R any](f func(T1, T2, T3) R, t1 T1, t2 T2, t3 T3) func() R {
+	return func() R {
+		return f(t1, t2, t3)
+	}
+}
+
+func SK[T1, T2 any](_ T1, t2 T2) T2 {
+	return t2
+}
+
+func Ignore1[T, R any](f func() R) func(T) R {
+	return func(_ T) R {
+		return f()
+	}
+}
+
+func Ignore1st[T1, T2, R any](f func(T2) R) func(T1, T2) R {
+	return func(_ T1, t2 T2) R {
+		return f(t2)
+	}
+}
+
+func Ignore2nd[T1, T2, R any](f func(T1) R) func(T1, T2) R {
+	return func(t1 T1, _ T2) R {
+		return f(t1)
+	}
+}