add pool

Taskfile.yml

@@ -3,7 +3,7 @@
 version: "3"
 
 vars:
-  VERSION: 0.2.0
+  VERSION: 0.2.1
 
 tasks:
   bump:

gomps/gomps.go

@@ -278,8 +278,10 @@ func PREJSON[T any](v T) NODE {
 	return PRE(SAFE(string(b)))
 }
 
+var jsonIndentMarshaller = protojson.MarshalOptions{Indent: "  "}
+
 func PREPBJSON(m protoreflect.ProtoMessage) NODE {
-	b, err := protojson.Marshal(m)
+	b, err := jsonIndentMarshaller.Marshal(m)
 	if err != nil {
 		return TXT(err.Error())
 	}

pool.go

@@ -0,0 +1,29 @@
+package toolbelt
+
+import (
+	"sync"
+)
+
+// A Pool is a generic wrapper around a sync.Pool.
+type Pool[T any] struct {
+	pool sync.Pool
+}
+
+// New creates a new Pool with the provided new function.
+//
+// The equivalent sync.Pool construct is "sync.Pool{New: fn}"
+func New[T any](fn func() T) Pool[T] {
+	return Pool[T]{
+		pool: sync.Pool{New: func() interface{} { return fn() }},
+	}
+}
+
+// Get is a generic wrapper around sync.Pool's Get method.
+func (p *Pool[T]) Get() T {
+	return p.pool.Get().(T)
+}
+
+// Get is a generic wrapper around sync.Pool's Put method.
+func (p *Pool[T]) Put(x T) {
+	p.pool.Put(x)
+}