-- -*- M2-comint -*- {* hash: 1529566619 *}

i1 : RR.GlobalReleaseHook = (sym,val) -> << concatenate (
          "assigning ", toString val, " to ", toString sym
          ) << endl

o1 = {*Function[stdio:1:33-3:10]*}

o1 : FunctionClosure

i2 : a=4.5

o2 = 4.5

o2 : RR (of precision 53)

i3 : a=5.4
assigning 4.5 to a

o3 = 5.4

o3 : RR (of precision 53)

i4 :