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{{ | {{wowlua}} | ||
Calls a function, returning a boolean indicating success as the first return value, and error text / return values as the following values. | Calls a function, returning a boolean indicating success as the first return value, and error text / return values as the following values. | ||
retOK, ret1, ret2, ... retn = pcall (func, arg1, arg2, ...); | retOK, ret1, ret2, ... retn = pcall (func, arg1, arg2, ...); | ||
== Arguments == | == Arguments == | ||
;func : Function - The function that will be called (from within) pcall(). | ;func | ||
;arg1 - argn : Variable - Any variable that is also to be passed with the function when its called (Optional). | : Function - The function that will be called (from within) pcall(). | ||
;arg1 - argn | |||
: Variable - Any variable that is also to be passed with the function when its called (Optional). | |||
== Returns == | == Returns == | ||
;retOK : Boolean - If the call to the function (that was passed to pcall) succeeded, returns true. If an error occured, returns false. | ;retOK | ||
;ret1 : String (if failed) / Variable - If an error occured, error text is returned; if not, ret1 is the first return value of the original function. | : Boolean - If the call to the function (that was passed to pcall) succeeded, returns true. If an error occured, returns false. | ||
;ret2 - retn : Variable - | ;ret1 | ||
: String (if failed) / Variable - If an error occured, error text is returned; if not, ret1 is the first return value of the original function. | |||
;ret2 - retn | |||
: Variable - If the function call succeeded, those return variables contain values returned by original function. | |||
== Example == | == Example == | ||