From a73df8c1d9cfafef8dc248ef3ba67769e79b125b Mon Sep 17 00:00:00 2001
From: jpfourny <jpfourny@gmail.com>
Date: Wed, 10 Jan 2024 22:22:12 -0500
Subject: [PATCH] Move Increment/Decrement from math.go into misc.go.

---
 pkg/mapper/math.go      | 17 -----------------
 pkg/mapper/math_test.go | 21 ---------------------
 pkg/mapper/misc.go      | 16 ++++++++++++++++
 pkg/mapper/misc_test.go | 18 ++++++++++++++++++
 4 files changed, 34 insertions(+), 38 deletions(-)
 delete mode 100644 pkg/mapper/math.go
 delete mode 100644 pkg/mapper/math_test.go

diff --git a/pkg/mapper/math.go b/pkg/mapper/math.go
deleted file mode 100644
index 2f2a01b..0000000
--- a/pkg/mapper/math.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package mapper
-
-import "github.com/jpfourny/papaya/pkg/constraint"
-
-// Increment returns a function that accepts a value of real number type E and returns the result of adding the provided `step` value to it.
-func Increment[E constraint.RealNumber](step E) func(E) E {
-	return func(e E) E {
-		return e + step
-	}
-}
-
-// Decrement returns a function that accepts a value of real number type E and returns the result of subtracting the provided `step` value from it.
-func Decrement[E constraint.RealNumber](step E) func(E) E {
-	return func(e E) E {
-		return e - step
-	}
-}
diff --git a/pkg/mapper/math_test.go b/pkg/mapper/math_test.go
deleted file mode 100644
index 94fd2e9..0000000
--- a/pkg/mapper/math_test.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package mapper
-
-import "testing"
-
-func TestIncrement(t *testing.T) {
-	m := Increment[int](2)
-	got := m(42)
-	want := 44
-	if got != want {
-		t.Errorf("Increment(2)(42) = %#v; want %#v", got, want)
-	}
-}
-
-func TestDecrement(t *testing.T) {
-	m := Decrement[int](2)
-	got := m(42)
-	want := 40
-	if got != want {
-		t.Errorf("Decrement(2)(42) = %#v; want %#v", got, want)
-	}
-}
diff --git a/pkg/mapper/misc.go b/pkg/mapper/misc.go
index 8c7ddb7..bf9494c 100644
--- a/pkg/mapper/misc.go
+++ b/pkg/mapper/misc.go
@@ -1,5 +1,7 @@
 package mapper
 
+import "github.com/jpfourny/papaya/pkg/constraint"
+
 // Identity returns a function that accepts a value of any type E and returns that value.
 func Identity[E any]() func(E) E {
 	return func(e E) E {
@@ -13,3 +15,17 @@ func Constant[E any, F any](c F) func(E) F {
 		return c
 	}
 }
+
+// Increment returns a function that accepts a value of real number type E and returns the result of adding the provided `step` value to it.
+func Increment[E constraint.RealNumber](step E) func(E) E {
+	return func(e E) E {
+		return e + step
+	}
+}
+
+// Decrement returns a function that accepts a value of real number type E and returns the result of subtracting the provided `step` value from it.
+func Decrement[E constraint.RealNumber](step E) func(E) E {
+	return func(e E) E {
+		return e - step
+	}
+}
diff --git a/pkg/mapper/misc_test.go b/pkg/mapper/misc_test.go
index 25d541f..bc577b9 100644
--- a/pkg/mapper/misc_test.go
+++ b/pkg/mapper/misc_test.go
@@ -21,3 +21,21 @@ func TestIdentity(t *testing.T) {
 		t.Errorf("Identity()(42) = %#v; want %#v", got, want)
 	}
 }
+
+func TestIncrement(t *testing.T) {
+	m := Increment[int](2)
+	got := m(42)
+	want := 44
+	if got != want {
+		t.Errorf("Increment(2)(42) = %#v; want %#v", got, want)
+	}
+}
+
+func TestDecrement(t *testing.T) {
+	m := Decrement[int](2)
+	got := m(42)
+	want := 40
+	if got != want {
+		t.Errorf("Decrement(2)(42) = %#v; want %#v", got, want)
+	}
+}