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Merge pull request #827 from YosysHQ/gatecat/idstring-in

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idstring: Add 'in' function from Yosys
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gatecat 2021-09-27 22:03:11 +01:00 committed by GitHub
commit 9d8d3bdbc4
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1 changed files with 10 additions and 0 deletions
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10
common/idstring.h
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@ -58,6 +58,16 @@ struct IdString
bool empty() const { return index == 0; } bool empty() const { return index == 0; }
unsigned int hash() const { return index; } unsigned int hash() const { return index; }
template <typename... Args> bool in(Args... args) const
{
// Credit: https://articles.emptycrate.com/2016/05/14/folds_in_cpp11_ish.html
bool result = false;
(void)std::initializer_list<int>{(result = result || in(args), 0)...};
return result;
}
bool in(const IdString &rhs) const { return *this == rhs; }
}; };
NEXTPNR_NAMESPACE_END NEXTPNR_NAMESPACE_END