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Exists
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[edit] Definition
INT Exists ( <INT processID|processTypeID> )
Checks if a process is alive, using its processID or checks if there is a process alive of a certain processType, using its processTypeID.
[edit] Parameters
INT processID|processTypeID | - The ProcessID of the process or the ProcessTypeID of the type of processes to be checked. |
[edit] Returns
INT : The result of the check
0 (false) | - The process with given processID is not alive or there are no processes alive of the given processTypeID. |
1 (true) | - The process with given processID is alive or there is at least one process alive of the given processTypeID. |
[edit] Example
Program example; Begin Proc(); if(exists(id)) say("I exist!"); end if(exists(type main)) say("I exist!"); end if(exists(0)) say("0 doesn't exist"); end if(exists(type proc)) say("Proc exists!"); else say("Proc doesn't exist!"); end Loop frame; End End Process Proc() Begin Loop frame; End End
Used in example: Say()
Processinteraction Functions | |
• Advance() • Collision() • Exists() • Get_angle() • Get_dist() • Get_id() • Let_me_alone() • Signal() • Xadvance() • |