How to deal with template taking std::function as arguments? #1051
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There isn't a way to map that as a "basic container", yet, but if it's just for an argument, we can map it using a |
infoMap.put(new Info("std::function<bool(uint64_t)>").pointerTypes("FilterFunction"));
public static class FilterFunction extends FunctionPointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public FilterFunction(Pointer p) { super(p); }
protected FilterFunction() { allocate(); }
private native void allocate();
public native boolean call(@Cast("uint64_t") long key);
}Hi @saudet, I added void set_filter2 (std::function<bool(uint64_t)> &&func) {
filter_ = std::move(func);
}However, the original function is a template function. I still cannot get it work. I have tried adding the following mapping info. // infoMap.put(new Info("SomeClass::set_filter<std::function<bool(uint64_t)> >&&").javaNames("set_filter"));
// infoMap.put(new Info("SomeClass::set_filter<std::function<bool(uint64_t)> >&&")
// .javaText("public native void set_filter(@ByVal FilterFunction func);")); |
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Try without the |
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Remove infoMap.put(new Info("SomeClass::set_filter<std::function<bool(uint64_t)> >").javaNames("set_filter")); |
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BTW, I've added support for |
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Got stuck with the following mvn error. Help needed.
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In any case, it's easy to build from source, so just do that if you're not able to fix whatever networking issue you're having. |
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got mvn problem solved. Am I supposed to add the following mapping info? infoMap.put(new Info("std::function<bool(uint64_t)>").pointerTypes("FunctionPointer"));Parsing phase succeeds with the following warning And building fails with the following message |
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You'll need to use another name than "FunctionPointer".
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Still not work. infoMap.put(new Info("std::function<bool(uint64_t)>").pointerTypes("MyFilterFunction"));cannot find symbol [ERROR] symbol: class MyFilterFunction |
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Info.define needs to be set:
https://github.com/bytedeco/javacpp/wiki/Mapping-Recipes#defining-wrappers-for-basic-c-containers
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It works. |
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This has now been released with JavaCPP 1.5.8. Enjoy! |
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T's receiver is
std::function<bool(uint64_t)>.We tried to add the following mapping info
mvn installworks but the function is omitted from generated java file.The text was updated successfully, but these errors were encountered: