Copyright © 2017 Takeru Ohta <phjgt308@gmail.com>
Behaviours: passage_sampler.
Null Sampler.
This sampler discards all the spans.
Context = passage_span_context_null, Sampler = passage_sampler_null:new(), Reporter = passage_reporter_null:new(), ok = passage_tracer_registry:register(foo, Context, Sampler, Reporter).
new/0 | Makes a new sampler. |
new() -> passage_sampler:sampler()
Makes a new sampler.
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