Empty string: Difference between revisions
Content added Content deleted
No edit summary |
No edit summary |
||
| Line 561: | Line 561: | ||
if (nchar(s) > 0) cat('Not empty\n')</lang> |
if (nchar(s) > 0) cat('Not empty\n')</lang> |
||
=={{header|Rascal}}== |
|||
<lang rascal>str s = ""; |
|||
if (s=="") print("string s is empty"); |
|||
if (s!="") print("string s is not empty"); |
|||
</lang> |
|||
Or the build-in operator: |
|||
<lang rascal>import String; |
|||
isEmpty(s);</lang> |
|||
=={{header|Retro}}== |
=={{header|Retro}}== |
||
Create an empty string and assign it to a variable. In these '''keepString''' is used to ensure that the string is permanent. |
Create an empty string and assign it to a variable. In these '''keepString''' is used to ensure that the string is permanent. |
||