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Make it hard to construct an empty OutputsSpec::Names

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This should be a non-empty set, and so we don't want people doing this
by accident. We remove the zero-0 constructor with a little inheritance
trickery.
This commit is contained in:
John Ericson 2023-01-11 11:54:43 -05:00
parent 8a3b1b7ced
commit 114a6e2b09
7 changed files with 26 additions and 11 deletions
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2
src/libstore/misc.cc
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@ -317,7 +317,7 @@ OutputPathMap resolveDerivedPath(Store & store, const DerivedPath::Built & bfd,
return names;
},
[&](const OutputsSpec::Names & names) {
return names;
return static_cast<std::set<std::string>>(names);
},
}, bfd.outputs);
for (auto & output : outputNames) {