* Functions are incomparable.
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@ -69,16 +69,17 @@ std::ostream & operator << (std::ostream & str, Value & v)
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string showType(Value & v)
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{
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switch (v.type) {
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case tString: return "a string";
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case tPath: return "a path";
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case tNull: return "null";
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case tInt: return "an integer";
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case tBool: return "a boolean";
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case tLambda: return "a function";
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case tString: return "a string";
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case tPath: return "a path";
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case tAttrs: return "an attribute set";
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case tList: return "a list";
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case tNull: return "null";
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case tLambda: return "a function";
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case tPrimOp: return "a built-in function";
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case tPrimOpApp: return "a partially applied built-in function";
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default: throw Error("unknown type");
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default: throw Error(format("unknown type: %1%") % v.type);
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}
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}
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@ -299,7 +300,7 @@ void EvalState::eval(Env & env, Expr e, Value & v)
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char x;
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if (&x < deepestStack) deepestStack = &x;
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debug(format("eval: %1%") % e);
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//debug(format("eval: %1%") % e);
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nrEvaluated++;
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@ -864,6 +865,12 @@ bool EvalState::eqValues(Value & v1, Value & v2)
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return true;
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}
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/* Functions are incomparable. */
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case tLambda:
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case tPrimOp:
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case tPrimOpApp:
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return false;
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default:
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throw Error(format("cannot compare %1% with %2%") % showType(v1) % showType(v2));
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}
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