Files
scylladb/utils
Pavel Emelyanov b3a4f9e194 utils: Introduce || operator for named_values
Those named_values that support .empty() check can be "selected"
like this

    auto& v = option_a() || option_b() || option_c();

This code will put into v a reference to the first non-empty
named_value out of a/b/c.

This "selection" is actually used on start when scylla decides
which config options to use as listen/broadcact/rpc/etc. addresses.

Signed-off-by: Pavel Emelyanov <xemul@scylladb.com>
2021-11-08 17:33:27 +03:00
..
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