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#solidity

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S0AndS0

For reasons I recently went on a deep-dive, like deep enough to have glimpsed EVM Assembly, in order to track down why for gas costs increase when using an `enum` instead of `const uint256` type within Solidity smart contracts.

... Maybe I'll post a blog post with more details.

Image, with unfortunate rendering artifacts from `freeze` CLI tool, that shows EVM Assembly of what's added when one uses an `enum` for mutex/reentry lock with the following content; ```asm /** * @file Optimized EVM Assembly difference between `const uint256` and `enum` * @author S0AndS0.eth * @license It is your problem now */ /* (re-)sets the private storage slot named `_status` */ tag_1: pop 0x00 /* ↑ same same ↑ */ /* ↓ enum adds ↓ */ dup1 sload not(0xff) and swap1 /* ↑ enum adds ↑ */ /* ↓ same same ↓ */ sstore dataSize(sub_0) ```
ALT
#assembly#blockchain#ethereum
Public
Valentin B. :ferris:

Announcing lintspec, a Solidity NatSpec linter.

beeb.li/blog/announcing-lintsp

Doc-comments (NatSpec) in Solidity are extremely important, because they are often the only source of documentation related to a smart contract.

Not happy with existing solutions, I decided to create my own, which ended up being 200x faster.

beeb.li · Announcing lintspecLintspec is a command-line utility (linter) that checks the completeness and validity of NatSpec doc-comments in Solidity code. It is focused on speed and ergonomics and aims to improve the user experience over existing solutions.
#RustLang#solidity#web3
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Kevin Karhan :verified:

@dalias and that's why I don't buy the #Rust fans' line...

A programming languague doesn't make something inherently better or safer at all.

Rather we can see unnecessary complexity (i.e. #Solidity) and dependencies (i.e. #Perl in #Linux) and at best dubious claims of improvements (i.e. #grsecurity patches)...

youtube.com/watch?v=kdvVwGrV7e

It's like with children's toys:
If you want to, everthing can be a fatal choking hazard!

YouTubeSolidity in 100 SecondsBy Fireship
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