From eddfb60d44c42fb50fe31c20001043b483907287 Mon Sep 17 00:00:00 2001
From: Ruidy <rnemausat@newstore.com>
Date: Wed, 29 Dec 2021 22:30:57 -0400
Subject: [PATCH] feat: max

---
 README.md   |  1 +
 contains.go |  4 ----
 max.go      | 11 +++++++++++
 max_test.go | 15 +++++++++++++++
 types.go    |  5 +++++
 5 files changed, 32 insertions(+), 4 deletions(-)
 create mode 100644 max.go
 create mode 100644 max_test.go
 create mode 100644 types.go

diff --git a/README.md b/README.md
index 208be6c..0627ad1 100644
--- a/README.md
+++ b/README.md
@@ -19,3 +19,4 @@ It is mostly a port from the `underscore.js` library based on generics brought b
 - `every`
 - `find`
 - `contains` (only numerics values at the moment)
+- `max`
diff --git a/contains.go b/contains.go
index ac66b96..3d2102f 100644
--- a/contains.go
+++ b/contains.go
@@ -1,9 +1,5 @@
 package underscore
 
-type numbers interface {
-	int | int8 | int16 | int32 | int64 | uint | uint8 | uint16 | uint32 | uint64 | float32 | float64
-}
-
 func Contains[T numbers](values []T, value T) bool {
 	for _, v := range values {
 		if v == value {
diff --git a/max.go b/max.go
new file mode 100644
index 0000000..9821e82
--- /dev/null
+++ b/max.go
@@ -0,0 +1,11 @@
+package underscore
+
+func Max[T numbers](values []T) T {
+	max := values[0]
+	for _, v := range values {
+		if v > max {
+			max = v
+		}
+	}
+	return max
+}
diff --git a/max_test.go b/max_test.go
new file mode 100644
index 0000000..5fed20a
--- /dev/null
+++ b/max_test.go
@@ -0,0 +1,15 @@
+package underscore_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	u "github.com/rjNemo/underscore"
+)
+
+func TestMax(t *testing.T) {
+	nums := []int{1, 9, 2, 8, 3, 7, 4, 6, 5}
+	want := 9
+	assert.Equal(t, want, u.Max(nums))
+}
diff --git a/types.go b/types.go
new file mode 100644
index 0000000..50c6345
--- /dev/null
+++ b/types.go
@@ -0,0 +1,5 @@
+package underscore
+
+type numbers interface {
+	int | int8 | int16 | int32 | int64 | uint | uint8 | uint16 | uint32 | uint64 | float32 | float64
+}