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Dominik Charousset authored
This patch removes the weird `optional_variant` class from libcppa in favor of a more general `variant` implementation that simply uses a `none_t` to indicate a non-existing value.
49851bd0
This patch removes the weird `optional_variant` class from libcppa in favor of a more general `variant` implementation that simply uses a `none_t` to indicate a non-existing value.