+++ /dev/null
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package event
-
-import (
- "context"
-)
-
-// StartSpan sends a span start event with the supplied tag list to the exporter.
-// It also returns a function that will end the span, which should normally be
-// deferred.
-func StartSpan(ctx context.Context, name string, tags ...Tag) (context.Context, func()) {
- return dispatchPair(ctx,
- makeEvent(StartSpanType, sTags{Name.Of(name)}, tags),
- makeEvent(EndSpanType, sTags{}, nil))
-}
-
-// StartSpan1 sends a span start event with the supplied tag list to the exporter.
-// It also returns a function that will end the span, which should normally be
-// deferred.
-func StartSpan1(ctx context.Context, name string, t1 Tag) (context.Context, func()) {
- return dispatchPair(ctx,
- makeEvent(StartSpanType, sTags{Name.Of(name), t1}, nil),
- makeEvent(EndSpanType, sTags{}, nil))
-}
-
-// StartSpan2 sends a span start event with the supplied tag list to the exporter.
-// It also returns a function that will end the span, which should normally be
-// deferred.
-func StartSpan2(ctx context.Context, name string, t1, t2 Tag) (context.Context, func()) {
- return dispatchPair(ctx,
- makeEvent(StartSpanType, sTags{Name.Of(name), t1, t2}, nil),
- makeEvent(EndSpanType, sTags{}, nil))
-}
-
-// Detach returns a context without an associated span.
-// This allows the creation of spans that are not children of the current span.
-func Detach(ctx context.Context) context.Context {
- return dispatch(ctx, makeEvent(DetachType, sTags{}, nil))
-}