pub fn is_rent_exempt(
rent_sysvar_account: &AccountInfo<'_>,
lamports: u64,
data_len: usize,
) -> Result<bool, ProgramError>pub fn is_rent_exempt(
rent_sysvar_account: &AccountInfo<'_>,
lamports: u64,
data_len: usize,
) -> Result<bool, ProgramError>