use slot_clock; use error_chain::{ error_chain, error_chain_processing, impl_error_chain_kind, impl_error_chain_processed, impl_extract_backtrace, }; error_chain! { links { } errors { SlotClockError(e: slot_clock::SystemTimeSlotClockError) { description("Error reading system time"), display("SlotClockError: '{:?}'", e) } SystemTimeError(t: String ) { description("Error reading system time"), display("SystemTimeError: '{}'", t) } } }