isBound
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isBound
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The isBound function returns the index, of the specified symbol {name},
within the Structure {struct}, Dictionary {dict} or Directory{dir}. If the symbol is not bound within the Structure,
the Boolean value, false is returned. Usage Use the isBound function to determine if a symbol is in a Structure, Dictionary or a Directory.
It is similar to the member function.
(isBound struct name ) Returns the index where the name was found.
If not found false is returned
(isBound dictionary name ) Returns the index where the name was found.
If not found false is returned
(isBound directory name ) Returns the index where the name was found.
If not found false is returned
Expression:
Arguments
Name
Type
Description Argument: struct Structure
A structure. Argument: name String or Text
A symbolic name.
Returns:
Expression:
Arguments
Name
Type
Description Argument: dictionary dictionary
A Dictionary. Argument: name String or Text
A symbolic name.
Returns:
Expression:
Arguments
Name
Type
Description Argument: directory directory
A Directory. Argument: name String or Text
A symbolic name.
Returns:
Here are a number of links to Lambda coding examples which contain this instruction in various use cases.
Here are the links to the data types of the function arguments.
| Structure | Integer | Boolean | Dictionary |
| Integer | Boolean | Directory | Integer |
| Boolean |
Here are also a number of links to functions having arguments with any of these data types.
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Analytic Information Server (AIS)AIS Component Systems
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