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cmsbuild merged 1 commit into from
Dec 10, 2025
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Propagate templates for SoABlocks #49578

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12 changes: 5 additions & 7 deletions DataFormats/SoATemplate/README.md
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Expand Up @@ -80,16 +80,14 @@ and `SOA_CONST_ELEMENT_METHODS` macros. Each of these macros can be called only

`SoABlocks` is a macro-generated templated class that enables structured composition of multiple `SoALayouts` into a single
container, referred to as "blocks". Each block is a Layout, and the structure itself looks like multiple contigous memory
buffers of different sizes. The alignment is ensured to be the same for every block.
`SoABlocks` also supports `View` and `ConstView` classes, mirroring the structure of the underlying structs. The blocks
are built via composition and access to individual layouts and views is provided by name.

It is also possible to generate methods inside `View` and `ConstView` using the `SOA_VIEW_METHODS` and
`SOA_CONST_VIEW_METHODS` in the same way as described in [Customized methods](#customized-methods).
buffers of different sizes. The alignment is ensured to be the same for every block. `SoABlocks` also supports
`View` and `ConstView` classes. In addition to those fully parametrized templates, two further levels of parametrization are provided:
`ViewTemplate`, `ViewTemplateFreeParams` and respectively `ConstViewTemplate`, `ConstViewTemplateFreeParams`,
mirroring the structure of the underlying structs. The blocks are built via composition and access to individual layouts
and views is provided by name.

TODOs:
- Add introspection utilities to print the structure and layout of a `SoABlocks` instance.
- Extend support for fully templated `View`/`ConstView` classes beyond the default parameters.
- Implement support for heterogeneous `deepCopy()` operations between different but compatible `SoABlocks` configurations.

[An example of utilization is showed below.](#examples)
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