From 7239eca2e5c38137545980dd4a81921c9ba6ff47 Mon Sep 17 00:00:00 2001
From: Zachary King <zchrykng@fastmail.com>
Date: Fri, 6 Jun 2025 09:59:12 -0400
Subject: [PATCH] initial option and result

---
 go.mod    |  3 +++
 option.go | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 result.go | 40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 90 insertions(+)
 create mode 100644 go.mod
 create mode 100644 option.go
 create mode 100644 result.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..6b86557
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/zchrykng/go-utils
+
+go 1.22.2
diff --git a/option.go b/option.go
new file mode 100644
index 0000000..a589fd4
--- /dev/null
+++ b/option.go
@@ -0,0 +1,47 @@
+package util
+
+import "errors"
+
+type Option[T any] struct {
+  value *T
+}
+
+var ErrOptionIsNone = errors.New("gonads: Option[T] has no value")
+
+func NewOption[T any]() *Option[T] {
+  return &Option[T]{}
+}
+
+func (o Option[T]) IsSome() bool {
+  return o.value != nil
+}
+
+func (o Option[T]) IsNone() bool {
+  return !o.IsSome()
+}
+
+func (o Option[T]) Take() (T, error) {
+  if o.IsNone() {
+    var zero T
+    return zero, ErrOptionIsNone
+  }
+
+  return *o.value, nil
+}
+
+func (o *Option[T]) Set(val T) {
+  o.value = &val
+}
+
+func (o *Option[T]) Clear() {
+  o.value = nil
+}
+
+func (o Option[T]) Yank() T {
+  if o.IsNone() {
+    panic("Yank on None Option")
+  }
+
+  return *o.value
+}
+
diff --git a/result.go b/result.go
new file mode 100644
index 0000000..3ef12c7
--- /dev/null
+++ b/result.go
@@ -0,0 +1,40 @@
+package util
+
+type Result[T any] struct {
+  value *T
+  err error
+}
+
+func ResultOk[T any](value T) Result[T] {
+  return Result[T]{value: &value, err: nil}
+}
+
+func ResultErr[T any](err error) Result[T] {
+  return Result[T]{value: nil, err: err}
+}
+
+func (res Result[T]) IsOk() bool {
+  return res.err == nil
+}
+
+func (res Result[T]) IsErr() bool {
+  return !res.IsOk()
+}
+
+func (res Result[T]) Value() T {
+  if !res.IsOk() {
+    panic("Yank on Err Result")
+  }
+
+  return *res.value
+}
+
+func (res Result[T]) Error() error {
+  if !res.IsErr() {
+    panic("Yank on OK Result")
+  }
+
+  return res.err
+}
+
+