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Add getDoc() function

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This commit is contained in:
Eelco Dolstra 2020-08-25 13:31:11 +02:00
parent 2a2121d264
commit f53b5f1058
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3 changed files with 42 additions and 13 deletions
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11
src/libexpr/eval.hh
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@ -248,6 +248,17 @@ public:
Value & getBuiltin(const string & name);
struct Doc
{
Pos pos;
std::optional<Symbol> name;
size_t arity;
std::vector<std::string> args;
const char * doc;
};
std::optional<Doc> getDoc(Value & v);
private:
inline Value * lookupVar(Env * env, const ExprVar & var, bool noEval);