RosettaCodeData/Task/Safe-addition/Tcl/safe-addition-2.tcl
2023-07-01 13:44:08 -04:00

5 lines
131 B
Tcl

package require stepaway
proc safe+ {a b} {
set val [expr {double($a) + $b}]
return [list [stepdown $val] [stepup $val]]
}