// AddLogTagInt64 adds an integer tag; see WithLogTagInt64.
func (ac *AmbientContext) AddLogTagInt64(name string, value int64) {
ac.addTag(otlog.Int64(name, value))
}
// WithLogTagInt64 is a variant of WithLogTag that avoids the allocation
// associated with boxing the value in an interface{}.
func WithLogTagInt64(ctx context.Context, name string, value int64) context.Context {
return addLogTagChain(ctx, &logTag{Field: otlog.Int64(name, value)})
}