-- -*- M2-comint -*- {* hash: -65222713 *}

i1 : x = new MutableHashTable from {a => 1, b => 2}

o1 = MutableHashTable{...2...}

o1 : MutableHashTable

i2 : remove(x,a)

i3 : x

o3 = MutableHashTable{...1...}

o3 : MutableHashTable

i4 :