def inst
      @inst ||= case command
                when :alu  then SeccompTools::Instruction::ALU
                when :jmp  then SeccompTools::Instruction::JMP
                when :ld   then SeccompTools::Instruction::LD
                when :ldx  then SeccompTools::Instruction::LDX
                when :misc then SeccompTools::Instruction::MISC
                when :ret  then SeccompTools::Instruction::RET
                when :st   then SeccompTools::Instruction::ST
                when :stx  then SeccompTools::Instruction::STX
                end.new(self)
    end
def inst
      @inst ||= case command
                when :alu  then SeccompTools::Instruction::ALU
                when :jmp  then SeccompTools::Instruction::JMP
                when :ld   then SeccompTools::Instruction::LD
                when :ldx  then SeccompTools::Instruction::LDX
                when :misc then SeccompTools::Instruction::MISC
                when :ret  then SeccompTools::Instruction::RET
                when :st   then SeccompTools::Instruction::ST
                when :stx  then SeccompTools::Instruction::STX
                end.new(self)
    end
Corresponding instruction object.
 @return [SeccompTools::Instruction::Base]