34 Execution control library [exec]

34.5 Queries [exec.queries]

34.5.5 execution​::​get_domain [exec.get.domain]

1
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get_domain asks a queryable object for its associated execution domain tag.
2
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The name get_domain denotes a query object.
For a subexpression env, get_domain(env) is expression-equivalent to MANDATE-NOTHROW(as_const(env).query(get_domain)).
3
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forwarding_query(execution​::​get_domain) is a core constant expression and has value true.