pub fn rent(
invoke_context: &InvokeContext<'_>,
instruction_context: &InstructionContext,
instruction_account_index: usize
) -> Result<Arc<Rent>, InstructionError>
pub fn rent(
invoke_context: &InvokeContext<'_>,
instruction_context: &InstructionContext,
instruction_account_index: usize
) -> Result<Arc<Rent>, InstructionError>