19 lines
		
	
	
	
		
			455 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
	
		
			455 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include "globals.hh"
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| #include "primops.hh"
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| 
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| using namespace nix;
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| 
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| static BaseSetting<bool> settingSet{false, "setting-set",
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|         "Whether the plugin-defined setting was set"};
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| 
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| static RegisterSetting rs(&settingSet);
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| 
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| static void prim_anotherNull (EvalState & state, const Pos & pos, Value ** args, Value & v)
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| {
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|     if (settingSet)
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|         mkNull(v);
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|     else
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|         mkBool(v, false);
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| }
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| 
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| static RegisterPrimOp rp("anotherNull", 0, prim_anotherNull);
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