presto-main/src/main/java/io/prestosql/operator/scalar/TryFunction.java/TryFunction/tryBoolean
class TryFunction:    @TypeParameter("T")
    @TypeParameterSpecialization(name = "T", nativeContainerType = boolean.class)
    @SqlNullable
    @SqlType("T")
    public static Boolean tryBoolean(@SqlType("function(T)") TryBooleanLambda function)
    {
        try {
            return function.apply();
        }
        catch (PrestoException e) {
            propagateIfUnhandled(e);
            return null;
        }
    }