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What advantages do we get by using the lens library over a language like C or Python?
I get that state is still immutable with the lens library, but from a practical perspective, how is it any different?
Examples would be very useful.
EDIT:
What I really want to know is why having immutable state is advantageous/disadvantageous for the lens library, e.g. can we not achieve better performance with lens with mutable state?
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I'm trying to get into programming, so I thought I would ask for the opinions of avid programmers. What is a good language for beginners, with a good trajectory to more difficult/in-demand languages? I tried C, but it was quite hard, so maybe something a bit easier.
I would say to start with Python. It's very multi-purpose, and has a lot of scalability. Also, please refrain from posting questions asking for opinions.
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On the wikipedia page only Haskell and Miranda are mentioned.
I am not sure about elm.
Some other languages make it especially easy to declare a function to be computed lazily.
Are there programming languages where you have a global switch, say for a module or script file to be evaluated lazily?
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No other game impressed me more than ADOM because of its almost endless ways you can interact with its world. To name a few: If you have waterproof blankets your items will not rust in rain, you can cut trees to build a bridge, dip weapons into potions, kick locked doors etc.
With such complexity of interactions each new feature may require refactoring, recompilation, then cause broken tests, bugs etc. This seems to be an interesting case of the Expression Problem.
The Question:
Can solution to Expression Problem be expressed in Agda or Haskell as a reusable library or a design pattern?
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I'm learning Haskell in order to gain knowledge of Functional programming to apply to Java 8. Is Haskell a marketable skill?
Haskell is used "in the real world," but in terms of "Am I likely to get a job using this?" it's on the very low end. Almost any other language you can likely name has more jobs that require it.
But in terms of learning, Haskell is a great language. It really helps you think about your programs differently. And having a good mind for application architecture is a very marketable skill.
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Perhaps a silly question, but is there any common naming convention for a class that provides thread-safe operations, other than ThreadSafeFoo? This is most explicit and works nicely, but I figured I'd ask if there are any single-word synonyms which represent the notion of thread safety ("Safe", "Locking"?), or if there's anything shorter that is commonly used?
I think Concurrent... is a good choice. It describes very well the usecase in which it should be used without saying to much about technical details..
SyncFoo can be a good choice to avoid too long class name.