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Add ParticleList field typedef for more convenient access #838

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Add ParticleList field typedef for more convenient access #838

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11 changes: 10 additions & 1 deletion core/src/Cabana_ParticleList.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -188,12 +188,21 @@ class ParticleList
using aosoa_type = Cabana::AoSoA<member_types, memory_space, VectorLength>;
//! Particle tuple type.
using tuple_type = typename aosoa_type::tuple_type;

/*!
\brief Single field slice type.
\brief Single field slice type (by index).
\tparam M AoSoA field index.
*/
template <std::size_t M>
using slice_type = typename aosoa_type::template member_slice_type<M>;

/*!
\brief Single field slice type (by tag name).
\tparam FieldTag Field tag.
*/
template <typename FieldTag>
using field_type = slice_type<TypeIndexer<FieldTag, FieldTags...>::index>;

//! Single particle type.
using particle_type = Particle<FieldTags...>;
//! Single SoA type.
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