Mmastodon TechnologySoftware first seen 21 h ago, last 20 h ago, peak #8
New Blog Post Explores Arc Downcasting in Rust
Original: Pining for Arc Downcasting in Rust https://wolfgirl.dev/blog/2026-09-29-pining-for-arc-downcasting-in-rust/ # Rust # Pro
A developer has published a blog post examining how to downcast an Arc reference in Rust, a task that remains awkward in the language's type system. The article, shared among Rust and open source programming communities, walks through the problem and possible approaches. Rust developers are discussing the limitations and workarounds it raises.
Why now: Rust developers are debating the lack of built-in support for downcasting through Arc smart pointers.
Rank over time, top of the chart is #1. 2 snapshots from 21 h ago to 20 h ago.
Evidence
- Pining for Arc Downcasting in Rust https://wolfgirl.dev/blog/2026-09-29-pining-for-arc-downcasting-in-rust/ # Rust # Programming # OpenSource · lobsters@robot.villas · 2
API: https://socialmediatrends-api.osmike.com/v1/trends/378169