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proc R {x\ n {format %.${n}f $x}}
Try it online!Try it online!
proc R {x\ n {format %.*f $n $x}}
proc R x\ n {format %.${n}f $x}
Try it online!
proc R x\ n {format %.*f $n $x}
{x\ n {format %.${n}f $x}}
{x\ n {format %.*f $n $x}}
