Parenthesis

From QB64 Phoenix Edition Wiki
Revision as of 21:13, 20 April 2022 by BigRon55 (talk | contribs) (Created page with "'''Parenthesis''' are used to enclose SUB and FUNCTION parameters or to set the operation order in Mathematical Operations. ''Usage:'' COLOR 14: PRINT TAB(30); "Hello World" {{OutputStart}} {{text|Hello World|yellow}} {{OutputEnd}} * SUB parameters MUST be enclosed in parenthesis when the CALL statement is used. Do '''not''' use parenthesis without CALL. * Parenthesis can be used in calculations to determine the...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Parenthesis are used to enclose SUB and FUNCTION parameters or to set the operation order in Mathematical Operations.


Usage: COLOR 14: PRINT TAB(30); "Hello World"

                              Hello World


  • SUB parameters MUST be enclosed in parenthesis when the CALL statement is used. Do not use parenthesis without CALL.
  • Parenthesis can be used in calculations to determine the order in which math operations are performed when the normal order would not work correctly. Normal operation order is: 1) exponential, 2) multiplication or division 3) addition or subtraction.
  • Parenthesis can also denote the array index or the dimension size(s) in a DIM statement.
  • Instead of BYVAL, use extra parenthesis around sub-procedure call parameters to pass them by value instead of by reference.
  • Extra pairs of brackets have no effect on the code! If one is missing the IDE should tell you.


Example: Using too many brackets does not harm the code execution as long as they are paired up.

  
nmb$ = STR$(100)
nmb$ = LTRIM$(((RTRIM$(nmb$))))  'extra bracket pairs do not affect the code

PRINT nmb$  


See also:



Navigation:
Main Page with Articles and Tutorials
Keyword Reference - Alphabetical
Keyword Reference - By usage
Report a broken link