A surprising enum size optimization in the #rustlang compiler jpfennell.com/posts/enum-t...
A surprising enum size optimization in the Rust compiler · post by James Fennell
Personal website of James Fennell
jpfennell.com
April 8, 2025 at 3:09 PM
A surprising enum size optimization in the #rustlang compiler jpfennell.com/posts/enum-t...
Nevermind minor enum mistake
Heartbreaking: That bug you thought would be easy to solve is actually a deep-seated issue that will involve hours of debugging and rewriting entire chunks of the codebase
April 23, 2025 at 7:42 AM
Nevermind minor enum mistake
ECMAScript excitement 😉
TypeScript's @chronicles.org is pitching enum in JS 🎉
It's the good parts of TS enum + enhancements:
🔶 More datatypes: Symbols etc
🔶 Iterable
🔶 Immutable
🔶 Null prototype
🔶 No declaration merging
🔶 Compatible with Node type-stripping 👍
github.com/rbuckton/pro...
TypeScript's @chronicles.org is pitching enum in JS 🎉
It's the good parts of TS enum + enhancements:
🔶 More datatypes: Symbols etc
🔶 Iterable
🔶 Immutable
🔶 Null prototype
🔶 No declaration merging
🔶 Compatible with Node type-stripping 👍
github.com/rbuckton/pro...
GitHub - rbuckton/proposal-enum: Proposal for ECMAScript enums
Proposal for ECMAScript enums. Contribute to rbuckton/proposal-enum development by creating an account on GitHub.
github.com
April 4, 2025 at 7:52 AM
ECMAScript excitement 😉
TypeScript's @chronicles.org is pitching enum in JS 🎉
It's the good parts of TS enum + enhancements:
🔶 More datatypes: Symbols etc
🔶 Iterable
🔶 Immutable
🔶 Null prototype
🔶 No declaration merging
🔶 Compatible with Node type-stripping 👍
github.com/rbuckton/pro...
TypeScript's @chronicles.org is pitching enum in JS 🎉
It's the good parts of TS enum + enhancements:
🔶 More datatypes: Symbols etc
🔶 Iterable
🔶 Immutable
🔶 Null prototype
🔶 No declaration merging
🔶 Compatible with Node type-stripping 👍
github.com/rbuckton/pro...
enum BlueSkyAnswer {
➡️NO,
➡️YES,
➡️FILE_NOT_FOUND
}
➡️NO,
➡️YES,
➡️FILE_NOT_FOUND
}
August 14, 2026 at 7:42 AM
enum BlueSkyAnswer {
➡️NO,
➡️YES,
➡️FILE_NOT_FOUND
}
➡️NO,
➡️YES,
➡️FILE_NOT_FOUND
}
is enum pronounced e-num or enume?
February 11, 2026 at 4:37 PM
is enum pronounced e-num or enume?
using LLMs to generate unit tests is pretty funny sometimes
"here, I have helpfully given you a unit test for all possible enum values" (good)
"I have also hallucinated some extra enum values in case you wanted to test those too" (hold on a second)
verdict remains: use with heavy supervision
"here, I have helpfully given you a unit test for all possible enum values" (good)
"I have also hallucinated some extra enum values in case you wanted to test those too" (hold on a second)
verdict remains: use with heavy supervision
October 23, 2025 at 11:43 PM
using LLMs to generate unit tests is pretty funny sometimes
"here, I have helpfully given you a unit test for all possible enum values" (good)
"I have also hallucinated some extra enum values in case you wanted to test those too" (hold on a second)
verdict remains: use with heavy supervision
"here, I have helpfully given you a unit test for all possible enum values" (good)
"I have also hallucinated some extra enum values in case you wanted to test those too" (hold on a second)
verdict remains: use with heavy supervision
C# methods using enum constraints improve .NET code reliability and clarity
#csharp #gamedev #indiedev #gamedevelopment
#csharp #gamedev #indiedev #gamedevelopment
Generic C# Methods with Enum Constraints for .NET
Using generic constraints when the argument is an enum in C# and .NET
khalidabuhakmeh.com
September 20, 2026 at 11:11 AM
C# methods using enum constraints improve .NET code reliability and clarity
#csharp #gamedev #indiedev #gamedevelopment
#csharp #gamedev #indiedev #gamedevelopment
being a JS dev is like every day discovering that the Boolean type is actually a megabool
November 8, 2024 at 9:32 PM
being a JS dev is like every day discovering that the Boolean type is actually a megabool
typedef enum t_NoYesEnum
{
e_NO = 0,
e_YES = 1,
e_NoYesMax
} t_NoYesEnum;
{
e_NO = 0,
e_YES = 1,
e_NoYesMax
} t_NoYesEnum;
June 27, 2025 at 7:46 AM
typedef enum t_NoYesEnum
{
e_NO = 0,
e_YES = 1,
e_NoYesMax
} t_NoYesEnum;
{
e_NO = 0,
e_YES = 1,
e_NoYesMax
} t_NoYesEnum;
babe is everything okay? you've barely touched your five mutually exclusive boolean props that should have been a single enum.
June 11, 2026 at 7:10 PM
babe is everything okay? you've barely touched your five mutually exclusive boolean props that should have been a single enum.
Cannot believe I have been using X_LIMIT or X_LAST or whatever for C-style enum variant boundary names for the past 30 years when rockchip just nailed it.
October 10, 2025 at 8:16 PM
Cannot believe I have been using X_LIMIT or X_LAST or whatever for C-style enum variant boundary names for the past 30 years when rockchip just nailed it.
ECMAScript excitement 😉
Congrats to @chronicles.org on advancing the Enum proposal to Stage 1 at TC39 today 🎉
This aims to bring the good parts of TypeScript enums to JavaScript plus enhancements such as new datatypes & potentially runtime performance improvements 👍
github.com/tc39/proposa...
Congrats to @chronicles.org on advancing the Enum proposal to Stage 1 at TC39 today 🎉
This aims to bring the good parts of TypeScript enums to JavaScript plus enhancements such as new datatypes & potentially runtime performance improvements 👍
github.com/tc39/proposa...
GitHub - tc39/proposal-enum: Proposal for ECMAScript enums
Proposal for ECMAScript enums. Contribute to tc39/proposal-enum development by creating an account on GitHub.
github.com
April 15, 2025 at 4:20 PM
ECMAScript excitement 😉
Congrats to @chronicles.org on advancing the Enum proposal to Stage 1 at TC39 today 🎉
This aims to bring the good parts of TypeScript enums to JavaScript plus enhancements such as new datatypes & potentially runtime performance improvements 👍
github.com/tc39/proposa...
Congrats to @chronicles.org on advancing the Enum proposal to Stage 1 at TC39 today 🎉
This aims to bring the good parts of TypeScript enums to JavaScript plus enhancements such as new datatypes & potentially runtime performance improvements 👍
github.com/tc39/proposa...
did you know that rust has support for parameterized modules, just like ocaml: github.com/rust-lang/ru...
You can pass generic arguments to a module path segment if the module reexports an enum variant · Issue #154962 · rust-lang/rust
What the-. enum Enum<T> { Variant, Carry(T) } mod module { pub(super) use super::Enum::Variant; } fn scope() { let _ = module::<i32>::Variant; // OK! 😨 let _ = self::module::<()>::Variant {}; // OK...
github.com
April 9, 2026 at 11:00 AM
did you know that rust has support for parameterized modules, just like ocaml: github.com/rust-lang/ru...
would you say that the reason `enum X {}` has no values is that `enum`s behave like addition, and an empty enum is equivalent to additive identity? (thus having 0 values)
or is this too much of an out there explanation?
or is this too much of an out there explanation?
May 17, 2026 at 12:52 PM
would you say that the reason `enum X {}` has no values is that `enum`s behave like addition, and an empty enum is equivalent to additive identity? (thus having 0 values)
or is this too much of an out there explanation?
or is this too much of an out there explanation?
can we get const enum inlining back
Today we're thrilled to announce our effort to port the TypeScript compiler and language service to native code, gaining a 10x speed boost in build times and editor responsiveness!
devblogs.microsoft.com/typescript/t...
devblogs.microsoft.com/typescript/t...
A 10x Faster TypeScript - TypeScript
Embarking on a native port of the existing TypeScript compiler and toolset to achieve a 10x performance speed-up.
devblogs.microsoft.com
March 11, 2025 at 3:37 PM
can we get const enum inlining back
Do you want to take a quick glance at everything the Enum module can do you?
Today is your lucky day: https://hexdocs.pm/elixir/main/enum-cheat.html
Today is your lucky day: https://hexdocs.pm/elixir/main/enum-cheat.html
August 22, 2023 at 8:58 AM
Do you want to take a quick glance at everything the Enum module can do you?
Today is your lucky day: https://hexdocs.pm/elixir/main/enum-cheat.html
Today is your lucky day: https://hexdocs.pm/elixir/main/enum-cheat.html
Noticed I needed some pronouns in my CharacterData 😅
Kept them as raw strings instead of an enum, so I can do weird special-cases later 🫠
Toy example:
“Mirror Shade challenges you! You’re ready for yourself!” 🥰
#gamedev #indiedev #programming #unity
Kept them as raw strings instead of an enum, so I can do weird special-cases later 🫠
Toy example:
“Mirror Shade challenges you! You’re ready for yourself!” 🥰
#gamedev #indiedev #programming #unity
March 2, 2026 at 9:40 AM
Noticed I needed some pronouns in my CharacterData 😅
Kept them as raw strings instead of an enum, so I can do weird special-cases later 🫠
Toy example:
“Mirror Shade challenges you! You’re ready for yourself!” 🥰
#gamedev #indiedev #programming #unity
Kept them as raw strings instead of an enum, so I can do weird special-cases later 🫠
Toy example:
“Mirror Shade challenges you! You’re ready for yourself!” 🥰
#gamedev #indiedev #programming #unity
quick laravel tip: you can retrieve an "enum" request input value like so 🤌🏻
October 31, 2024 at 1:03 PM
quick laravel tip: you can retrieve an "enum" request input value like so 🤌🏻
I retrofit a damping enum to also encapsulate specific values of the frequency so now it's just got a misleading name 😔
September 22, 2026 at 2:29 PM
I retrofit a damping enum to also encapsulate specific values of the frequency so now it's just got a misleading name 😔
angelika.me/elixir-enum-... is some of the best documentation I've ever seen. Ever. I'd love to see this added to the official @elixir-lang.org docs. 👏 👏@angelikatyborska.bsky.social!!!
Elixir Enum Cheatsheet
Elixir Enum Cheatsheet
angelika.me
January 2, 2025 at 4:40 PM
angelika.me/elixir-enum-... is some of the best documentation I've ever seen. Ever. I'd love to see this added to the official @elixir-lang.org docs. 👏 👏@angelikatyborska.bsky.social!!!
gender is a ‘#[non_exhaustive] enum’
gender is not a binary
gender is: a boolean, 0, 1, 2, "none", "limited", "full", "line-tables-only", or "line-directives-only"
gender is: a boolean, 0, 1, 2, "none", "limited", "full", "line-tables-only", or "line-directives-only"
June 16, 2026 at 3:53 PM
gender is a ‘#[non_exhaustive] enum’
i don't advocate for any particular fancy feature to be added to rust, but my one little thing i come back to often:
we should be allowed to use primitive-repr enum variants as const generic parameters instead of having to put them in traits. a u16 enum with a catch-all is as const as a u16, right?
we should be allowed to use primitive-repr enum variants as const generic parameters instead of having to put them in traits. a u16 enum with a catch-all is as const as a u16, right?
March 26, 2026 at 6:16 PM
i don't advocate for any particular fancy feature to be added to rust, but my one little thing i come back to often:
we should be allowed to use primitive-repr enum variants as const generic parameters instead of having to put them in traits. a u16 enum with a catch-all is as const as a u16, right?
we should be allowed to use primitive-repr enum variants as const generic parameters instead of having to put them in traits. a u16 enum with a catch-all is as const as a u16, right?