util: add pointer utils

internal/util/pointer.go

@@ -0,0 +1,47 @@
+// Copyright 2019 Sorint.lab
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import "time"
+
+func BoolP(b bool) *bool { return &b }
+
+func ByteP(b byte) *byte { return &b }
+
+func StringP(s string) *string { return &s }
+
+func IntP(i int) *int { return &i }
+
+func Int8P(i int8) *int8 { return &i }
+
+func Int16P(i int16) *int16 { return &i }
+
+func Int32P(i int32) *int32 { return &i }
+
+func Int64P(i int64) *int64 { return &i }
+
+func UintP(u uint) *uint { return &u }
+
+func Uint16P(u uint16) *uint16 { return &u }
+
+func Uint32P(u uint32) *uint32 { return &u }
+
+func Uint64P(u uint64) *uint64 { return &u }
+
+func Uint8P(u uint8) *uint8 { return &u }
+
+func TimeP(t time.Time) *time.Time { return &t }
+
+func DurationP(d time.Duration) *time.Duration { return &d }