NAME
catch - catch errors

SYNOPSIS
mixed catch(expr)

DESCRIPTION
Evaluate 'expr'. If there is no error, 0 is returned. If there is a standard error, a string (with a leading '*') will be returned. The function throw(value) can also be used to immediately return any value, except 0.

NOTA BENE
The catch() is somewhat costly, and should not be used anywhere. Rather, use it at places where an error would destroy consistency.

SEE ALSO
throw