basic_socket_streambuf::expires

(Deprecated: Use expiry().) Get the stream buffer's expiry time as an absolute time.

time_point expires_at() const;
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Set the stream buffer's expiry time as an absolute time.

void expires_at(
    const time_point & expiry_time);
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Set the stream buffer's expiry time relative to now.

void expires_at(
    const duration & expiry_time);
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