Software Engineering

Clean Code: Separating abstractions from concretions

Patryk Kocielnik

Writing with the hope that a record of the random things people do around can save some duplication of effort -- except for fun.

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Patryk Kocielnik

16 Oct 2020 • 1 min read

Uncle Bob reminds that source code dependencies should cross the boundaries between the abstract and the concrete pointing from the concrete side towards the abstract side.

Concrete -> Abstract

As in:

Application and Domain Objects
 ^
 |
DB Interface Layer
 |
 v
Database

Source: Clean Code Episode 5 - Form

Clean Code: Separating abstractions from concretions

Patryk Kocielnik

Patryk Kocielnik

Robert C. Martin: The current best explanation for the origin of the moon is a collision of two protoplanets 4.5 billion years ago.

Clean Code: Classes and Data Structures