||THE HYPERCARD CENTER
Note: This is a work in progress and will be formatting errors. Read more about the project on the home page.
return keyword ends execution of a handler and, in function handlers, returns the value of
expression to the handler that called the function.
return appears in a message handler (as opposed to a function handler), it ends execution of the handler and places the value of the expression into the HyperTalk function
The value of
the result as set by a
return statement is valid only immediately after the
return statement executes; each new statement resets
the result to
answer "This stack resides on the disk named" && diskName() & "."
function diskName longStackName
if longStackName is empty
then put the long name of this stack into longStackName
delete char 1 to 7 of longStackName -- remove “stack "”
return char 1 to (offset(":",longStackName) - 1) of longStackName
HyperTalk DefinitionAny HyperTalk expression. All expressions evaluate to text, a number, or a constant.
"this is" && it
(3+2) = 5
the heapspace div 1024
Note: Formally, HyperCard distinguishes between factors (simple values) and expressions. The difference between factors and expressions matters only if you like to drop parentheses. Most functions take factors as their parameters, which is why
length of 3 + 5 returns
length of (3 + 5) returns
1. In short, always use parentheses to group things the way you want them to evaluate, and you won’t have to worry about the difference between factors and expressions.
AppleScript DefinitionAny series of words that has a value.
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(March 24, 2022)
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