And how is the table type different from using e.g. a Commons lang Pair as the key of a basic Map?
Matt On Tue, Aug 31, 2021, 11:42 PM Gary Gregory <[email protected]> wrote: > What's missing from Guava's version that you want to add here? > > Gary > > On Tue, Aug 31, 2021, 20:55 Will Herrmann <[email protected]> wrote: > > > I am wondering if it would be appropriate to add a Table (a.k.a. Matrix) > > data structure to Commons Collections 4. Guava has one[1] and it seems > like > > it would fit in with this project. > > > > From the Guava Javadoc for Table > > > > > A collection that associates an ordered pair of keys, called a row key > > and a column key, with a single value. A table may be sparse, with only a > > small fraction of row key / column key pairs possessing a corresponding > > value. > > > > Under the hood, a Table<R, C, V> seems to be implemented as a Map<R, > > Map<C, V>>, with concrete implementations backed by HashMaps or TreeMaps. > > > > If it would be appropriate to add such a data structure, what would be > the > > process of adding it to Commons Collections 4? > > > > [1]: > > https://github.com/google/guava/wiki/NewCollectionTypesExplained#table > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > >
