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Masaki Hara (qnighy@qnmd.info)'s status on Monday, 15-Oct-2018 20:23:30 JST Masaki Hara

https://internals.rust-lang.org/t/trade-offs-for-adding-new-apis-based-on-compiler-version/8549
ライブラリがコンパイラバージョンに応じてAPIを提供することの是非について。すでに有名クレートでもその方法がとられているらしい。
In conversation Monday, 15-Oct-2018 20:23:30 JST from qnmd.info permalink
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  Trade offs for adding new APIs based on compiler version
  
  from Rust Internals
  
  Basically, what I’d like to do is brainstorm the trade offs of adding new API items to a library that are based on the version of the compiler building the library. The context in which this has come up is adding various types of support for u128, which was stabilized in Rust 1.26: https://github.com/TyOverby/bincode/issues/250 The idea here would be to do version sniffing in the build.rs, and then add new APIs specifically for u128 automatically for rustc 1.26 or newer. There would be no need...
- 金具✅ repeated this.

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