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docs: fixup description of builtins.importNative (#10810)

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There was an argument missing and the fact that the imported function is
called.
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Jörg Thalheim 2024-06-04 21:55:05 +02:00 committed by GitHub
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6
src/libexpr/eval-settings.hh
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@ -19,10 +19,10 @@ struct EvalSettings : Config
Enable built-in functions that allow executing native code.
In particular, this adds:
- `builtins.importNative` *path*
- `builtins.importNative` *path* *symbol*
Load a dynamic shared object (DSO) at *path* which exposes a function pointer to a procedure that initialises a Nix language value, and return that value.
The procedure must have the following signature:
Opens dynamic shared object (DSO) at *path*, loads the function with the symbol name *symbol* from it and runs it.
The loaded function must have the following signature:
```cpp
extern "C" typedef void (*ValueInitialiser) (EvalState & state, Value & v);
```