Use go.uber.org/atomic

go.mod

@@ -1,6 +1,6 @@
 module github.com/bufbuild/protovalidate-go
 
-go 1.19
+go 1.18
 
 require (
 	buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go v1.31.0-20230914171853-63dfe56cc2c4.1
@@ -17,6 +17,7 @@ require (
 	github.com/kr/text v0.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stoewer/go-strcase v1.3.0 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20230913181813-007df8e322eb // indirect

go.sum

@@ -31,6 +31,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=

internal/evaluator/builder.go

@@ -16,13 +16,13 @@ package evaluator
 
 import (
 	"sync"
-	"sync/atomic"
 
 	"buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go/buf/validate"
 	"github.com/bufbuild/protovalidate-go/internal/constraints"
 	"github.com/bufbuild/protovalidate-go/internal/errors"
 	"github.com/bufbuild/protovalidate-go/internal/expression"
 	"github.com/google/cel-go/cel"
+	"go.uber.org/atomic"
 	"google.golang.org/protobuf/reflect/protoreflect"
 	"google.golang.org/protobuf/types/dynamicpb"
 )