piegames
49d61b2e4b
They are like experimental features, but opt-in instead of opt-out. They will allow us to gracefully remove language features. See #437 Change-Id: I9ca04cc48e6926750c4d622c2b229b25cc142c42
30 lines
614 B
C++
30 lines
614 B
C++
#pragma once
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///@file
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#include "deprecated-features.hh"
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#include "json-utils.hh"
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namespace nix {
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/**
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* Compute the documentation of all deprecated features.
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*
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* See `doc/manual` for how this information is used.
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*/
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nlohmann::json documentDeprecatedFeatures();
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/**
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* Semi-magic conversion to and from json.
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* See the nlohmann/json readme for more details.
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*/
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void to_json(nlohmann::json &, const DeprecatedFeature &);
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void from_json(const nlohmann::json &, DeprecatedFeature &);
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/**
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* It is always rendered as a string
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*/
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template<>
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struct json_avoids_null<DeprecatedFeature> : std::true_type {};
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};
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