Personally, I am not against the proposal to add a "shrink(aMapOrSlice)` builtin function. In fact, there are more builtin functions on my wish list, such as "c

Personally, I am not against the proposal to add a "shrink(aMapOrSlice)` builtin function. In fact, there are more builtin functions on my wish list, such as "concat(slices)" and "decap(aSlice)". It is just that the Go core team have their own philosophy.