Chapter of Containers and What Fits In Them
Every thing has a number called size. The size is usually 4.
Instead of inserting something (called x) into a container (called y):
if the size of x is greater than the size of y:
say "That will never fit in there.";
otherwise:
let z be 0;
now z is the empty space in y;
if the size of x is greater than z:
say "Maybe if you take something out first.";
Otherwise:
continue the action.
To decide what number is the empty space in (x - a container):
let current load be 0;
repeat with t running through all things in x:
increase current load by the size of t;
decide on (the size of x) minus current load.