due to heavy use of template
meta-programming, the application of the library API in user code is
usually simple and clear because it is free of any extraneous
syntax.&nbsp; The one exception to this is the mapping of user types to
library concepts, which necessitates that the user perform some simple
template programming and understand some of the internals of how the
library concept type system works.&nbsp; The examples below should aid
the user in performing these programming tasks.</p>
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