Scripting reference · Nerdamer Language
iserror
Returns 1 when evaluating an expression throws an ordinary error and 0 otherwise.
The expression is evaluated lazily. Parser control-flow signals are allowed to continue to their enclosing scripting construct instead of being reported as ordinary errors.
Examples
These examples use Nerdamer Scripting.
A successful expression is not an error.
iserror(5) // → 0
Detect an evaluation error.
iserror(0/0) // → 1
Interfaces
The same operation is available through the interfaces below.
Nerdamer Scripting
Use this form in Nerdamer Scripting input passed to nerdamer(...).
iserror(arg1)