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authorDan Goodliffe <dan@randomdan.homeip.net>2023-04-10 13:19:19 +0100
committerDan Goodliffe <dan@randomdan.homeip.net>2023-04-10 13:19:19 +0100
commit38fc122b84fce3a0e6299069524e80a73818d928 (patch)
tree45bcbfa30d0a8c2bb7fee2f18d3e1f42ea00240d
parentOne OpenMesh instance per top level Use in createMesh (diff)
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Constraint operator* collection helper to IterableCollections
-rw-r--r--lib/collections.hpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/collections.hpp b/lib/collections.hpp
index 59cec6f..4df622e 100644
--- a/lib/collections.hpp
+++ b/lib/collections.hpp
@@ -65,10 +65,11 @@ operator*=(IterableCollection auto & in, auto && f)
}
template<template<typename...> typename C, typename... T>
+ requires IterableCollection<C<T...>>
[[nodiscard]] constexpr auto
operator*(const C<T...> & in, auto && f)
{
- C<decltype(f(in[0]))> out;
+ C<decltype(f(*in.begin()))> out;
std::transform(in.begin(), in.end(), std::inserter(out, out.end()), f);
return out;