thank you for the answer
Oct 28, 2020, 10:54 by hil...@codemadness.org:
> On Wed, Oct 28, 2020 at 11:44:35AM +0100, Adam Kandur wrote:
>
>>
>> hi everyone, i'm new in c programming. i tried to read sources but stuck
>> with enum.
>> as i know, enum is mainly used to assign names to integral constants. but i
>> don't understand, for example, this code
>> ----------------------------------------------
>> enum term_mode {
>> MODE_WRAP = 1 << 0,
>> MODE_INSERT = 1 << 1,
>> MODE_ALTSCREEN = 1 << 2,
>> MODE_CRLF = 1 << 3,
>> MODE_ECHO = 1 << 4,
>> MODE_PRINT = 1 << 5,
>> MODE_UTF8 = 1 << 6,
>> };
>> ----------------------------------------------why not simply write ?
>> ----------------------------------------------
>> enum term_mode {
>> MODE_WRAP = 1,
>> MODE_INSERT = 2,
>> MODE_ALTSCREEN = 4,
>> MODE_CRLF = 8,
>> MODE_ECHO = 16,
>> MODE_PRINT = 32,
>> MODE_UTF8 = 64,
>> };
>> ----------------------------------------------
>>
>
> Hi,
>
> They are the same and are coding-style.
>
> The bitshift typically hints that the value is used as a bitmask somewhere.
>
> --
> Kind regards,
> Hiltjo
>
