0 If you overwrite a computer file, you replace it with a different one. --
1 to write something in a way that is not clear and simple or is more detailed than it needs to be: --
Higher level rules override the effects of lower rules, and thus the j2 na pattern overwrites the effect of the 1 na pattern.
The remaining ingredient is a way of making sure that the custom verification code of the abstraction will never allow the stack to be overwritten.
Updating a node may be performed by overwriting it with either a new node, or with an indirection pointing to an existing node.
The update overwrites the thunk with a value, which therefore must also have a code pointer, because subsequent forces will re-enter the thunk-turned-value.
When the value of the variable is required, the closure to which it points is evaluated, and the closure is overwritten with the resulting value.
A cell may only be overwritten with a value of its assigned type.
Note how each of these expressions has been overwritten by the value obtained by evaluating it.
As a result, there were almost no problems with memory leaks or overwriting during the development of the system.
