TLO:Defined
Determines whether a variable, array, or timer with this name exists. The variable, array or timer must not be enclosed with ${}.
This TLO is added by MacroQuest
Forms
| Type | Member | Description |
|---|---|---|
| bool | Defined[name] |
Access to Types
| Type | Description |
|---|---|
| bool | Unlike bool in most programming and scripting languages, bool in MacroQuest is unique: Any non-zero value evaluates to true. However, 0 still equals false, and 1 still equals true. |
Examples
/if (${Defined[varname]}) {
/echo ${varname}
}