chore: bump Go version to 1.19 (#15)

Author: tmzane

Diff for: .github/workflows/go.yml

@@ -10,30 +10,29 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
-          go-version: 1.18
-
-      - name: Checkout code
-        uses: actions/checkout@v2
+          go-version-file: go.mod
 
       - name: Run tests
         run: go test -race -coverprofile=coverage.out ./...
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v2
-        continue-on-error: true
+        uses: codecov/codecov-action@v3
         with:
           files: ./coverage.out
 
   lint:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Run linters
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.45.2
+          version: v1.49.0

Diff for: .github/workflows/release.yml

@@ -8,18 +8,18 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: 1.18
-
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+
       - name: Run GoReleaser
-        uses: goreleaser/goreleaser-action@v2
+        uses: goreleaser/goreleaser-action@v3
         with:
           version: latest
           args: release --rm-dist

Diff for: .golangci.yml

@@ -2,18 +2,15 @@ linters:
   disable-all: true
   enable:
     # enabled by default:
-    - deadcode
     - errcheck
     - gosimple
     - govet
     - ineffassign
     - staticcheck
-    - structcheck
     - typecheck
     - unused
-    - varcheck
     # disabled by default:
-    # - gocritic TODO(junk1tm): enable when github.com/go-critic/go-critic/issues/1193 is closed
+    - gocritic
     - gofumpt
 
 linters-settings:

Diff for: .goreleaser.yml

@@ -1,8 +1,5 @@
 builds:
   - skip: true
 
-release:
-  draft: true
-
 changelog:
   sort: asc

Diff for: README.md

@@ -7,7 +7,7 @@ A lightweight package for loading environment variables into structs
 [![awesome](https://awesome.re/badge.svg)](https://github.com/avelino/awesome-go#configuration)
 [![ci](https://github.com/junk1tm/env/actions/workflows/go.yml/badge.svg)](https://github.com/junk1tm/env/actions/workflows/go.yml)
 [![docs](https://pkg.go.dev/badge/github.com/junk1tm/env.svg)](https://pkg.go.dev/github.com/junk1tm/env)
-[![report](https://goreportcard.com/badge/github.com/junk1tm/env)](https://goreportcard.com/badge/github.com/junk1tm/env)
+[![report](https://goreportcard.com/badge/github.com/junk1tm/env)](https://goreportcard.com/report/github.com/junk1tm/env)
 [![codecov](https://codecov.io/gh/junk1tm/env/branch/main/graph/badge.svg)](https://codecov.io/gh/junk1tm/env)
 
 </div>

Diff for: env.go

@@ -54,13 +54,15 @@ func (e *NotSetError) Error() string {
 // ErrEmptyTagName.
 //
 // The following types are supported as struct fields:
-//  int (any kind)
-//  float (any kind)
-//  bool
-//  string
-//  time.Duration
-//  encoding.TextUnmarshaler
-//  slices of any type above (space is the default separator for values)
+//
+//	int (any kind)
+//	float (any kind)
+//	bool
+//	string
+//	time.Duration
+//	encoding.TextUnmarshaler
+//	slices of any type above (space is the default separator for values)
+//
 // See the strconv package from the standard library for parsing rules.
 // Implementing the encoding.TextUnmarshaler interface is enough to use any
 // user-defined type. Default values can be specified either using the `default`
@@ -72,18 +74,22 @@ func (e *NotSetError) Error() string {
 // The name of the environment variable can be followed by comma-separated
 // options in the form of `env:"VAR,option1,option2,..."`. The following
 // tag-level options are supported:
-//  required: mark the environment variable as required
-//  expand:   expand the value of the environment variable using os.Expand
+//
+//	required: mark the environment variable as required
+//	expand:   expand the value of the environment variable using os.Expand
+//
 // If environment variables are marked as required but not set, an error of type
 // NotSetError will be returned. If the tag contains an invalid option, the
 // error will be ErrInvalidTagOption.
 //
 // In addition to the tag-level options, Load also supports the following
 // function-level options:
-//  WithPrefix:         set prefix for each environment variable
-//  WithSliceSeparator: set custom separator to parse slice values
-//  WithStrictMode:     enable strict mode: no `default` tag == required
-//  WithUsageOnError:   enable a usage message printing when an error occurs
+//
+//	WithPrefix:         set prefix for each environment variable
+//	WithSliceSeparator: set custom separator to parse slice values
+//	WithStrictMode:     enable strict mode: no `default` tag == required
+//	WithUsageOnError:   enable a usage message printing when an error occurs
+//
 // See their documentation for details.
 func Load(dst any, opts ...Option) error {
 	return newLoader(OS, opts...).loadVars(dst)

Diff for: example_test.go

@@ -124,6 +124,7 @@ func ExampleWithSliceSeparator() {
 	fmt.Println(cfg.Ports[2]) // 8082
 }
 
+//nolint:gocritic
 func ExampleWithStrictMode() {
 	// os.Setenv("HOST", "localhost")
 

Diff for: go.mod

@@ -1,3 +1,3 @@
 module github.com/junk1tm/env
 
-go 1.18
+go 1.19