coffee/continuable
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some thoughts...

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Denis Blank 2015-06-15 16:47:04 +02:00 committed by Naios
parent b7c14134aa
commit fb76b97d91
1 changed files with 12 additions and 18 deletions
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28
test.cpp
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@ -115,13 +115,13 @@ int main(int /*argc*/, char** /*argv*/)
// Brainstorming: this shows an example callback chain // Brainstorming: this shows an example callback chain
// Given by continuable // Given by continuable
std::function<void(Callback<SpellCastResult>&&)> fn1 = [](Callback<SpellCastResult>&& callback) std::function<void(Callback<SpellCastResult>&&)> continuable_1 = [](Callback<SpellCastResult>&& callback)
{ {
callback(SPELL_FAILED_AFFECTING_COMBAT); callback(SPELL_FAILED_AFFECTING_COMBAT);
}; };
// Implemented by user // Implemented by user
std::function<std::function<void(Callback<bool>&&)>(SpellCastResult)> cn1 = [](SpellCastResult) std::function<std::function<void(Callback<bool>&&)>(SpellCastResult)> callback_by_user_1 = [](SpellCastResult)
{ {
// Given by continuable // Given by continuable
// Fn2 // Fn2
@ -144,26 +144,20 @@ int main(int /*argc*/, char** /*argv*/)
}; };
}; };
// Auto created wrapper by the continuable // Entry point
std::function<void(SpellCastResult)> wr1 = [&](SpellCastResult result) std::function<void(Callback<bool>&&>)> entry = [continuable_1 /*= move*/, callback_by_user_1 /*given by the user (::then(...))*/]
(std::function<void(Callback<bool>&&)>)
{ {
// Wrapper functional to process unary or multiple promised callbacks // Call with auto created wrapper by the continuable
// Returned from the user continuable_1([&](SpellCastResult result /*forward args*/)
std::function<void(Callback<bool>&&)> fn2 = cn1(result);
// Auto wrapper
fn2([&](bool value)
{ {
cn2(value); // Wrapper functional to process unary or multiple promised callbacks
// Returned from the user
std::function<void(Callback<bool>&&)> fn2 = callback_by_user_1(/*forward args*/ result);
return std::move(fn2);
}); });
}; };
// Call this to start the chain
Callback<> entry = [&]
{
fn1(std::move(wr1));
};
// Here we go // Here we go
entry(); entry();