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Yes, you'll need them to build up bigger programs. The point is they aren't fundamental to IO itself.
by platz 12y ago
Yes, you'll need them to build up bigger programs. The point is they aren't fundamental to IO itself.
- rjberry 12y agoThey pretty much are as without sequencing you can only do the most trivial thing (a single IO action). Most interesting programmes are going to need at least two IO actions.