this post was submitted on 08 Oct 2023
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The temptation is always there (lemmy.world)
submitted 2 years ago by [email protected] to c/[email protected]
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[–] [email protected] 3 points 2 years ago (1 children)

Not necessarily a bad practice if the singleton is immutable, and it’s provided via dependency injection for example.

[–] [email protected] 0 points 2 years ago (1 children)

As a hobby coder: "mmmhm, mmmm, mmhm... I know some of these words!"

[–] [email protected] 1 points 2 years ago* (last edited 2 years ago)

Software dev is full of obscure keywords that describe otherwise pretty simple or basic concepts you stumble upon in practice naturally and that you probably already understand.

  • singleton: a class/object that is designed to be single use, i.e. only ever instantiated with a single instance. Typically used when you use class/objects more for flow control or to represent the state of the program itself, rather than using it to represent data
  • immutable: read-only, i.e. unchangeable
  • dependency injection: basically when you pass a function or object into another function object, thereby extending their effective functionality, typically for modular code and to separate concerns.

Here's one more of my favourite examples of such a keyword: memoization