Weird Expressions in Rust

Post by jerf » Fri, Jun 27, 2025, 4:49 PM UTC

ibotty wrote: post #10

steveklabnik wrote: post #6

This post is missing my favorite one! fn evil_lincoln() { let _evil = println!("lincoln"); } What's weird about this? To understand what evil_lincoln is doing, you have to understand very old Rust. Here's the commit that introduced it: https://github.com/rust-lang/rust/commit/664b0ad3fcead4fe4d2... fn evil_lincoln() { let evil log was a keyword to print stuff to the screen. Hence the joke, https://en.wikipedia.org/wi…

What's the joke exactly? English is not my native language.

Post by ranguna » Fri, Jun 27, 2025, 4:54 PM UTC

jerf wrote: post #11

ibotty wrote: post #10

Earlier quoted context omitted.

What's the joke exactly? English is not my native language.

https://www.basicfun.com/lincoln-logs/ This would be something the Boomer generation grew up with, and I think maybe the previous generation too. They're still around but they've certainly faded; they used to be Lego-level popular kids toys back then. They are named after President Lincoln, but only as a marketing tactic to use some of his reputation, there's no real connection. I would imagine even some native Engli…

Post by Thaxll » Fri, Jun 27, 2025, 5:06 PM UTC

Post by nemo1618 » Fri, Jun 27, 2025, 5:11 PM UTC

nikolayasdf123 wrote: post #8

this is why I like Go

   type Foo struct{}
   func (Foo) Bar() { println("weird...") }
   func main() {
    ([...]func(){^^len(`
   
   
   `): (&Foo{}).Bar})[cap(append([]any(nil),1,2,3))]()
   }

Post by steveklabnik » Fri, Jun 27, 2025, 5:13 PM UTC

rendaw wrote: post #16

steveklabnik wrote: post #6

This post is missing my favorite one! fn evil_lincoln() { let _evil = println!("lincoln"); } What's weird about this? To understand what evil_lincoln is doing, you have to understand very old Rust. Here's the commit that introduced it: https://github.com/rust-lang/rust/commit/664b0ad3fcead4fe4d2... fn evil_lincoln() { let evil log was a keyword to print stuff to the screen. Hence the joke, https://en.wikipedia.org/wi…

What's the joke exactly? English is my native language.