Scala
What are t ...
Site Language: English
Українська
English
Русский
Programming Tests
Login
Sign Up
Programming Tests
Theory
Snippets
Papers
Landing
Android
Prices
FAQ
Cosmo Story
Terms and Conditions
Privacy Policy
Cookies Policy
Send Feedback
What are the laws of Semigroup?
it has operation combine with type (A, A) => A, which must be associative
It has an empty element of type A, which must be an identity element
Explanation
Get an explanation when it's available:
Subscribe
cats
semigroup
Like
Login in
to like
Comment
Login in
to comment
Share
Tweet
Related Content
What will be the result of applying function combine for semigroup of functions ...
What will be the result of applying function combine for semigroup of Int? ...
What will be the result of applying function combine for semigroup of type List[...
What will be the result of applying combine to semigroup of type Option[Int]] ...
What will be the result of applying function combine for options, one of which i...
What will be the result of combining Semigroup of type Map with the same keys? ...
S
cala
Quiz
Login to learn Scala
or
Read more about
Scala Quizzes
Follow CodeGalaxy
Mobile Beta
Send Feedback
Keep exploring
Scala quizzes
Which character do you use instead of " * " for importing all the names of a pac...
How would you change declaration of function foo to ensure that a functi...
What is the largest Tuple that Scala supports?...
Can methods, taking one argument, be used with infix syntax?...
What is a higher-order function?...
Scala's Unit roughly corresponds to which Java type?...
Sign Up Now
or
Subscribe for future quizzes
Login in to like
Login in to comment