package tracer type Options struct { // Size is the size of ring buffer Size int } type Option func(o *Options) type ReadOptions struct { // Trace id Trace string } type ReadOption func(o *ReadOptions) // Read the given trace func ReadTrace(t string) ReadOption { return func(o *ReadOptions) { o.Trace = t } } const ( // DefaultSize of the buffer DefaultSize = 64 ) // DefaultOptions returns default options func DefaultOptions() Options { return Options{ Size: DefaultSize, } }