upstream/mercurial-mirror Files · rust/hg-core/src/config.rs

rust: Add type annotation to fix inference on Rust Nightly...

rust: Add type annotation to fix inference on Rust Nightly When compiling with Rust Nightly, the im-rs crate silently makes use of the experimental language feature for trait impl specialization. This apperently changes public its APIs in subtle ways such that type inference of some user code can fail where it succeeds when specialization is disabled. This made Mercurial’s Rust unit tests have compilation errors on Nightly. I have not managed to find the exactl root cause, but I wrote down my findings so far at https://github.com/bodil/im-rs/issues/188 This adds type annotation to make unit tests rely less on type inference and work around the issue. Differential Revision: https://phab.mercurial-scm.org/D10742

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             config.rs
        
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                | application/rls-services+xml
            
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             / rust / hg-core / src / config.rs
          
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      // config.rs

      //

      // Copyright 2020

      //      Valentin Gatien-Baron,

      //      Raphaël Gomès <rgomes@octobus.net>

      //

      // This software may be used and distributed according to the terms of the

      // GNU General Public License version 2 or any later version.

      //! Mercurial config parsing and interfaces.

      mod config;

      mod layer;

      mod values;

      pub use config::{Config, ConfigValueParseError};

      pub use layer::{ConfigError, ConfigParseError};

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				// config.rs
				//
				// Copyright 2020
				// Valentin Gatien-Baron,
				// Raphaël Gomès <rgomes@octobus.net>
				//
				// This software may be used and distributed according to the terms of the
				// GNU General Public License version 2 or any later version.

				//! Mercurial config parsing and interfaces.

				mod config;
				mod layer;
				mod values;
				pub use config::{Config, ConfigValueParseError};
				pub use layer::{ConfigError, ConfigParseError};