GoSub

Control flow statement to use a section of code and return.

Syntax
   GoSub label

Description
   Execution jumps to a subroutine marked by a line label. Always use Return
   to exit a GoSub,  execution will continue  on next statement after GoSub
   . 

   The line label where GoSub jumps must be in the same main/function/sub 
   block as GoSub. All the variables in the subroutine are shared with the 
   block, no arguments can be used. For this reason Gosub is considered bad 
   programming practice as it can generate unreadable and untraceable code. 
   It is better to use Sub or Function instead.

Example
   '' Compile with -lang qb

   '$lang: "qb"

   GoSub message
   End

   message:
   Print "Welcome!"
   Return

Dialect Differences
   * Only available in the -lang qb and -lang fblite dialects.
   * GoSub support is disabled by default in the -lang fblite unless the 
     Option Gosub statement is used.

Differences from QB
   * None when using the -lang qb dialect.

See also
   * Goto
   * Return (From Gosub)
   * Sub
   * Function
   * Option Gosub
   * Labels

