From 76565da2ce08ed1a3f1b2efb0fde1d596f84f1ce Mon Sep 17 00:00:00 2001
From: Aiden <12055114+aidenwallis@users.noreply.github.com>
Date: Sat, 26 Nov 2022 19:58:46 +0000
Subject: [PATCH 1/2] Add utils.MapKeys and utils.MapValues

---
 utils/map_keys.go        | 10 ++++++++++
 utils/map_keys_test.go   | 30 ++++++++++++++++++++++++++++++
 utils/map_values.go      |  0
 utils/map_values_test.go | 30 ++++++++++++++++++++++++++++++
 4 files changed, 70 insertions(+)
 create mode 100644 utils/map_keys.go
 create mode 100644 utils/map_keys_test.go
 create mode 100644 utils/map_values.go
 create mode 100644 utils/map_values_test.go

diff --git a/utils/map_keys.go b/utils/map_keys.go
new file mode 100644
index 0000000..cef4c65
--- /dev/null
+++ b/utils/map_keys.go
@@ -0,0 +1,10 @@
+package utils
+
+// MapKeys returns all keys in a given map, **the order will not be stable, you should sort these values if needed.**
+func MapKeys[K comparable, V any](v map[K]V) []K {
+	resp := make([]K, 0, len(v))
+	for k := range v {
+		resp = append(resp, k)
+	}
+	return resp
+}
diff --git a/utils/map_keys_test.go b/utils/map_keys_test.go
new file mode 100644
index 0000000..03af1bc
--- /dev/null
+++ b/utils/map_keys_test.go
@@ -0,0 +1,30 @@
+package utils_test
+
+import (
+	"sort"
+	"testing"
+
+	"github.com/aidenwallis/go-utils/internal/assert"
+	"github.com/aidenwallis/go-utils/utils"
+)
+
+func TestMapKeys(t *testing.T) {
+	t.Parallel()
+
+	out := []int{1, 2, 3}
+	in := map[int]struct{}{
+		1: {},
+		2: {},
+		3: {},
+	}
+
+	v := utils.MapKeys(in)
+	sort.SliceStable(v, func(i, j int) bool {
+		return v[i] < v[j]
+	})
+
+	assert.Equal(t, 3, len(v))
+	for i := range out {
+		assert.Equal(t, out[i], v[i])
+	}
+}
diff --git a/utils/map_values.go b/utils/map_values.go
new file mode 100644
index 0000000..e69de29
diff --git a/utils/map_values_test.go b/utils/map_values_test.go
new file mode 100644
index 0000000..8d30469
--- /dev/null
+++ b/utils/map_values_test.go
@@ -0,0 +1,30 @@
+package utils_test
+
+import (
+	"sort"
+	"testing"
+
+	"github.com/aidenwallis/go-utils/internal/assert"
+	"github.com/aidenwallis/go-utils/utils"
+)
+
+func TestMapValues(t *testing.T) {
+	t.Parallel()
+
+	out := []int{1, 2, 3}
+	in := map[string]int{
+		"one":   1,
+		"two":   2,
+		"three": 3,
+	}
+
+	v := utils.MapValues(in)
+	sort.SliceStable(v, func(i, j int) bool {
+		return v[i] < v[j]
+	})
+
+	assert.Equal(t, 3, len(v))
+	for i := range out {
+		assert.Equal(t, out[i], v[i])
+	}
+}

From 37bacb2b723e6452608d11595d814250c9a14109 Mon Sep 17 00:00:00 2001
From: Aiden <12055114+aidenwallis@users.noreply.github.com>
Date: Sat, 26 Nov 2022 19:59:41 +0000
Subject: [PATCH 2/2] Update map_values.go

---
 utils/map_values.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/utils/map_values.go b/utils/map_values.go
index e69de29..69510ff 100644
--- a/utils/map_values.go
+++ b/utils/map_values.go
@@ -0,0 +1,10 @@
+package utils
+
+// MapValues returns all values in a given map, **the order is not stable, you should sort it if you need a stable order.**
+func MapValues[K comparable, V any](in map[K]V) []V {
+	out := make([]V, 0, len(in))
+	for _, v := range in {
+		out = append(out, v)
+	}
+	return out
+}