isFunctionDefined: Difference between revisions
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Checks | Checks if a function has been defined using [[defineFunction|defineFunction()]]. Returns {{code|true}}({{code|1}}) if it has, or {{code|false}}({{code|0}}) if it has not. Returns '2' if the entered function is a built-in MapTool function rather than a user-defined function. | ||
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Revision as of 09:10, 2 September 2010
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isFunctionDefined() Function
• Introduced in version 1.3b51
Checks if a function has been defined using defineFunction(). Returns
true(1) if it has, or false(0) if it has not. Returns '2' if the entered function is a built-in MapTool function rather than a user-defined function.Usage
isFunctionDefined(name)Examples
[r: isFunctionDefined("fizzlegwip")]Returns 0.
[h: defineFunction("myNewFunction", "myMacro@token")][r: isFunctionDefined("myNewFunction")]Returns 1.
[r: isFunctionDefined("input")]