💾 Archived View for mirrors.apple2.org.za › archive › apple.cabi.net › Hypercard › HyperTalk.stuff ›… captured on 2023-05-25 at 00:20:56.
⬅️ Previous capture (2023-01-29)
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Hypertalk Control Structures
exit <messageName> -- ends execution of handler
exit to HyperCard
if <condition> then <statement> [ else <statement> ]
if <condition>
then <statement>
[ else <statement> ]
if <condition> then
statementList
[ else statementList]
end if
funtion <functionName>
<statementList>
end <functionName>
on <messageName>
<statementList>
end <messageName>
pass <messageName> -- ends execution and sends entire message to
next object in heirachy.
repeat [ for ] <number> [ times ]
statementList
end repeat
repeat until <condition>
statementList
end repeat
repeat while <condition>
statementList
end repeat
repeat [forever]
statementList
end repeat
repeat with <variable> = <start> to <finish>
statementList
end repeat
repeat with <variable> = <start> downto <finish>
statementList
end repeat
return <expression>
eg:
funtion square y
return y * y
end square