equal
Lib.equal : ''a -> ''a -> bool
Curried form of ML equality.
In some programming situations it is useful to use equality in a curried
form. Although it is easy to code up on demand, the equal function is
provided for convenience.
Failure
Never fails.
Example
> filter (equal 1) [1,2,1,4,5];
val it = [1, 1]: int list