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|usage= | |usage= | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
isFunctionDefined(name) | isFunctionDefined(name) | ||
</ | </syntaxhighlight> | ||
|examples= | |examples= | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[r: isFunctionDefined("fizzlegwip")] | [r: isFunctionDefined("fizzlegwip")] | ||
</ | </syntaxhighlight> | ||
Returns 0. | Returns 0. | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h: defineFunction("myNewFunction", "myMacro@token")] | [h: defineFunction("myNewFunction", "myMacro@token")] | ||
</ | </syntaxhighlight> | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[r: isFunctionDefined("myNewFunction")] | [r: isFunctionDefined("myNewFunction")] | ||
</ | </syntaxhighlight> | ||
Returns 1. | Returns 1. | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[r: isFunctionDefined("input")] | [r: isFunctionDefined("input")] | ||
</ | </syntaxhighlight> | ||
Returns 2. | Returns 2. | ||
Latest revision as of 23:59, 15 March 2023
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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")]