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ifn't (programming.dev)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 26 points 11 months ago (2 children)

I'd take a not or "if not" operator tbh.

[–] [email protected] 9 points 11 months ago* (last edited 11 months ago) (2 children)

It has a not keyword it's used for pattern matching.

if (x is not null)

[–] [email protected] 3 points 11 months ago (1 children)

It also has a !=.

[–] [email protected] 2 points 11 months ago (1 children)

Pattern matching is different.

[–] [email protected] 2 points 11 months ago (1 children)

Yeah, I just said it since you used it with null. I used it a lot for enums

[–] [email protected] 1 points 11 months ago* (last edited 11 months ago)

The type matching is the most common thing I use it with. Combined with inline variables.

if (x is string { Length: 5} s)
{
    // do stuff with s
}

And switch expressions.

As a side note inline variables are amazing haha

[–] [email protected] 2 points 11 months ago

Stuff can be two things

[–] [email protected] 3 points 11 months ago

ifnt instead of ifn't