Forms: Macro
A Macro allows PhixFlow to define and retain functions (macros) can be called repeatedly.
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| Field | Description |
|---|---|
| Name | The name of the macro. This name is also how the macro will be invoked (called) from elsewhere in PhixFlow |
| Minimum Parameters | The minumum number of parameters that must be passed to the macro when it is invoked. |
| Maximum Parameters | The maximum number of parameters that may be passed to the macro when it is invoked. |
| Expression | |
| Expression | The script that evaluates to a value based on the input parameters. |
The following fields are displayed through a separate tab within the main macro form:
| Description | |
| Description | |
Form Icons
The form provides the standard form icons.
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| Optional: a description of the macro. |
Example
This sample macro is called padCost. It takes 1 parameter - a numeric value. It checks to see if the numeric value is missing a 0 before a decimal point. If so, it adds the 0 and returns the string. It can be called anywhere in phixflow that an expression can be entered (for example) with :
padCost(".977")
| Code Block |
|---|
do( $val = $args[1], if( startsWith($val, "."), // if the cost is positive, add a zero onto the beginning "0" + $val, // ELSE if( startsWith($val, "-."), //if the cost is negative, replace the -. with a -0. "-0." + substring($val,3), //ELSE $val ) ) |
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See Also
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See also:
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