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fix: change locker to avoid pointer to interface

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This commit is contained in:
Jon Lundy
2023-09-15 13:24:51 -06:00
parent 5ad7fce0ac
commit a4192718b5
10 changed files with 87 additions and 31 deletions
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17
locker/locker.go
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@@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: 2023 Jon Lundy <jon@xuu.cc>
// SPDX-License-Identifier: BSD-3-Clause
package locker
import (
@@ -10,13 +13,13 @@ import (
)
type Locked[T any] struct {
state chan *T
state chan T
}
// New creates a new locker for the given value.
func New[T any](initial *T) *Locked[T] {
func New[T any](initial T) *Locked[T] {
s := &Locked[T]{}
s.state = make(chan *T, 1)
s.state = make(chan T, 1)
s.state <- initial
return s
}
@@ -24,7 +27,7 @@ func New[T any](initial *T) *Locked[T] {
type ctxKey struct{ name string }
// Use will call the function with the locked value
func (s *Locked[T]) Use(ctx context.Context, fn func(context.Context, *T) error) error {
func (s *Locked[T]) Use(ctx context.Context, fn func(context.Context, T) error) error {
if s == nil {
return fmt.Errorf("locker not initialized")
}
@@ -61,10 +64,8 @@ func (s *Locked[T]) Use(ctx context.Context, fn func(context.Context, *T) error)
func (s *Locked[T]) Copy(ctx context.Context) (T, error) {
var t T
err := s.Use(ctx, func(ctx context.Context, c *T) error {
if c != nil {
t = *c
}
err := s.Use(ctx, func(ctx context.Context, c T) error {
t = c
return nil
})