// doFirstThing illustrates setting a new logging context.
// Any message logged with the new context will have values for
// a and b.
func doFirstThing(ctx context.Context, a, b int) error {
// add some logging to the context
ctx = log.NewContext(ctx,
log.Property{Key: "a", Value: a},
log.Property{Key: "b", Value: b})
// ... perform some more processing and then
return doSecondThing(ctx)
}
func ExampleNewContext(ctx context.Context, n1, n2 int) error {
ctx = slog.NewContext(ctx,
slog.Property{Key: "n1", Value: n1},
slog.Property{Key: "n2", Value: n2})
if err := doSomethingWith(n1, n2); err != nil {
return slog.Error(ctx, "doSomethingWith failed",
slog.WithError(err))
}
slog.Debug(ctx, "did something with")
// ... more processing and then ...
return nil
}