-- -*- M2-comint -*- hash: 15689812565385434828

i1 : s = new MutableList from {a,b,c};

i2 : s#2 = 1234;

i3 : s

o3 = MutableList{...3...}

o3 : MutableList

i4 : peek s

o4 = MutableList{a, b, 1234}

i5 : 
