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* Don't show trace information by default (`--show-trace' to enable).

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NixOS evaluation errors in particular look intimidating and
  generally aren't very useful.  Ideally the builtins.throw messages
  should be self-contained.
This commit is contained in:
Eelco Dolstra 2009-06-30 13:28:29 +00:00
parent a2fc3a53ba
commit f2c3fc5191
6 changed files with 21 additions and 3 deletions
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2
src/libutil/types.hh
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@ -24,12 +24,14 @@ using boost::format;
class BaseError : public std::exception
{
protected:
string prefix_; // used for location traces etc.
string err;
public:
BaseError(const format & f);
~BaseError() throw () { };
const char * what() const throw () { return err.c_str(); }
const string & msg() const throw () { return err; }
const string & prefix() const throw () { return prefix_; }
BaseError & addPrefix(const format & f);
};