Remove context stuff (#28)

Author: FollowTheProcess

docs/img/demo.gif

@@ -18,17 +18,30 @@ func main() {
 		slog.Int("temp", 42),
 		slog.Duration("time", 2*time.Minute),
 	)
+
 	sleep()
+
 	logger.Info(
 		"Choosing wine pairing",
 		slog.Any("choices", []string{"merlot", "malbec", "rioja"}),
 	)
+
 	sleep()
+
 	logger.Error("No malbec left!")
+
 	sleep()
-	logger.Warn("Falling back to second choice", slog.String("fallback", "rioja"))
 
-	logger.Info("Eating steak", slog.String("cut", "sirloin"), slog.Bool("enjoying", true))
+	logger.Warn(
+		"Falling back to second choice",
+		slog.String("fallback", "rioja"),
+	)
+
+	logger.Info(
+		"Eating steak",
+		slog.String("cut", "sirloin"),
+		slog.Bool("enjoying", true),
+	)
 }
 
 func sleep() {

docs/img/keys.gif

@@ -18,10 +18,15 @@ func main() {
 		slog.Duration("duration", 30*time.Second),
 		slog.Int("number", 42),
 	)
+
 	sleep()
 
 	sub := logger.With(slog.Bool("sub", true))
-	sub.Info("Hello from the sub logger", slog.String("subkey", "yes"))
+
+	sub.Info(
+		"Hello from the sub logger",
+		slog.String("subkey", "yes"),
+	)
 }
 
 func sleep() {

docs/img/prefix.gif

@@ -14,21 +14,29 @@ func main() {
 	logger := log.New(os.Stderr)
 	prefixed := logger.Prefixed("http")
 
-	logger.Info("Calling GitHub API", slog.String("url", "https://api.github.com/"))
+	logger.Info(
+		"Calling GitHub API",
+		slog.String("url", "https://api.github.com/"),
+	)
+
 	sleep()
 
 	prefixed.Warn(
 		"Slow endpoint",
 		slog.String("endpoint", "users/slow"),
 		slog.Duration("duration", 10*time.Second),
 	)
+
 	sleep()
+
 	prefixed.Info(
 		"Response from get repos",
 		slog.Int("status", http.StatusOK),
 		slog.Duration("duration", 500*time.Millisecond),
 	)
+
 	sleep()
+
 	prefixed.Error(
 		"Response from something else",
 		slog.Int("status", http.StatusBadRequest),

examples/demo/main.go

@@ -10,10 +10,8 @@ package log // import "go.followtheprocess.codes/log"
 
 import (
 	"bytes"
-	"context"
 	"io"
 	"log/slog"
-	"os"
 	"slices"
 	"strconv"
 	"strings"
@@ -37,12 +35,6 @@ const (
 	errorStyle     = hue.Red | hue.Bold
 )
 
-// ctxKey is the unexported type used for context key so this key never collides with another.
-type ctxKey struct{}
-
-// contextKey is the actual key used to store and retrieve a Logger from a Context.
-var contextKey = ctxKey{}
-
 // Logger is a command line logger. It is safe to use across concurrently
 // executing goroutines.
 type Logger struct {
@@ -78,25 +70,6 @@ func New(w io.Writer, options ...Option) *Logger {
 	return logger
 }
 
-// WithContext stores the given logger in a [context.Context].
-//
-// The logger may be retrieved from the context with [FromContext].
-func WithContext(ctx context.Context, logger *Logger) context.Context {
-	return context.WithValue(ctx, contextKey, logger)
-}
-
-// FromContext returns the [Logger] from a [context.Context].
-//
-// If the context does not contain a logger, a default logger is returned.
-func FromContext(ctx context.Context) *Logger {
-	logger, ok := ctx.Value(contextKey).(*Logger)
-	if !ok || logger == nil {
-		return New(os.Stderr)
-	}
-
-	return logger
-}
-
 // With returns a new [Logger] with the given persistent key value pairs.
 //
 // The returned logger is otherwise an exact clone of the caller.

examples/keys/main.go

@@ -21,7 +21,6 @@ func TestVisual(t *testing.T) {
 	hue.Enabled(true) // Force colour
 
 	logger := log.New(os.Stdout, log.WithLevel(log.LevelDebug))
-
 	prefixed := logger.Prefixed("cooking")
 
 	logger.Debug("Doing some debuggy things")
@@ -192,7 +191,7 @@ func TestRace(t *testing.T) {
 	logger := log.New(buf, log.TimeFunc(fixedTime))
 	sub := logger.Prefixed("sub")
 
-	const n = 5
+	const n = 1000
 
 	var wg sync.WaitGroup
 	wg.Add(n)
@@ -224,46 +223,6 @@ func TestRace(t *testing.T) {
 	test.Equal(t, len(lines), n*2, test.Context("expected %d log lines", n*2))
 }
 
-func TestContext(t *testing.T) {
-	t.Run("present", func(t *testing.T) {
-		buf := &bytes.Buffer{}
-
-		// Constantly return the same time
-		fixedTime := func() time.Time {
-			fixed, err := time.Parse(time.RFC3339, "2025-04-01T13:34:03Z")
-			test.Ok(t, err)
-
-			return fixed
-		}
-
-		// Configure it a bit so we know we're getting the right one
-		logger := log.New(buf, log.TimeFunc(fixedTime), log.TimeFormat(time.Kitchen))
-
-		logger.Info("Before")
-
-		ctx := t.Context()
-
-		ctx = log.WithContext(ctx, logger)
-
-		after := log.FromContext(ctx)
-
-		after.Info("After")
-
-		got := buf.String()
-
-		test.Diff(t, got, "1:34PM INFO:  Before\n1:34PM INFO:  After\n")
-	})
-
-	t.Run("missing", func(t *testing.T) {
-		_, stderr := test.CaptureOutput(t, func() error {
-			log.FromContext(t.Context()).Info("FromContext")
-			return nil
-		})
-
-		test.True(t, strings.Contains(stderr, "FromContext"))
-	})
-}
-
 func BenchmarkLogger(b *testing.B) {
 	hue.Enabled(true) // Force colour