@main[]
=^m1[1;2]=
=^m2[1;2]=
=^m3[1;2]=
#=^try{^m4[1;2]}{$exception.handled(1)failed. it's ok}=

@m1[a;b]
^if(0){$a}{$b}

@m2[a;b][result]
^if(0){$a}{$b}

@m3[a;b]
^if(0){$a}{$b}<br />

#@m4[a;b][result]
#^if(0){$a}{$b}<br />