package log import "context" // WithContext wraps the given logger in context. func WithContext(ctx context.Context, logger *Logger) context.Context { return context.WithValue(ctx, ContextKey, logger) } // FromContext returns the logger from the given context. // This will return the default package logger if no logger // found in context. func FromContext(ctx context.Context) *Logger { if logger, ok := ctx.Value(ContextKey).(*Logger); ok { return logger } return Default() } type contextKey struct{ string } // ContextKey is the key used to store the logger in context. var ContextKey = contextKey{"log"}