Query comprehension query Derivation

Source: Internet
Author: User

The query syntax structure of LINQ. Before the emergence of LINQ, there was a similar concept: List comprehension-list derivation, which is widely used in FunctionProgramming Language. For example, Python:
S = [2 * X for X in range (101) If X ** 2> 3]

LINQ implements a more general architecture for strong-type languages. The derived objects are not limited to lists, but can be databases or any objects. As long as the corresponding query operators are implemented.

Another popular concept of derivation is monad comprehension, a list derivation, which is directly supported by Haskell. See the marvels of monads for explanations and how to apply them in C #.
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Here, comprehension translation should be based on its meaning "4. [repair] Knowledge push method"

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