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| -rw-r--r-- | doc/source/arch_data_model.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/source/arch_data_model.rst b/doc/source/arch_data_model.rst index a903687af..6e78d3a67 100644 --- a/doc/source/arch_data_model.rst +++ b/doc/source/arch_data_model.rst @@ -72,9 +72,10 @@ deal of configurations understood by the *Element* is also understood by the cor has default configurations built into BuildStream and configurable with the project configuration. These include values such as *variables*, *environment*, *sandbox*, etc. -As shown above, composition is performed in two stages, as we only need to composite -the data from the toplevel element declaration against the composition of previous -stages every time we instantiate an element. +As shown above, composition is performed in two stages for each element. First +we compose everything below the line, this happens just once per 'kind' of +element - the result is re-used. Secondly, we compose the element declaration +on top. Source |