Lines Matching +full:rust +full:- +full:src

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10 for easy idiomatic error handling in Rust applications.
25 - Use `Result<T, anyhow::Error>`, or equivalently `anyhow::Result<T>`, as the
31   ```rust
34   fn get_cluster_info() -> Result<ClusterMap> {
41 - Attach context to help the person troubleshooting the error understand where
42   things went wrong. A low-level error like "No such file or directory" can be
46   ```rust
49   fn main() -> Result<()> {
66 - Downcasting is supported and can be by value, by shared reference, or by
69   ```rust
78 - If using the nightly channel, a backtrace is captured and printed with the
83   - If you want panics and errors to both have backtraces, set
85   - If you want only errors to have backtraces, set `RUST_LIB_BACKTRACE=1`;
86   - If you want only panics to have backtraces, set `RUST_BACKTRACE=1` and
89   The tracking issue for this feature is [rust-lang/rust#53487].
91   [`std::backtrace`]: https://doc.rust-lang.org/std/backtrace/index.html#environment-variables
92   [rust-lang/rust#53487]: https://github.com/rust-lang/rust/issues/53487
94 - Anyhow works with any error type that has an impl of `std::error::Error`,
99   ```rust
114 - One-off error messages can be constructed using the `anyhow!` macro, which
117   ```rust
123   ```rust
129 ## No-std support
137 anyhow = { version = "1.0", default-features = false }
140 Since the `?`-based error conversions would normally rely on the
142 require an explicit `.map_err(Error::msg)` when working with a non-Anyhow error
154 [RFC 2504]: https://github.com/rust-lang/rfcs/blob/master/text/2504-fix-error.md
172 Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
173 2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
180 for inclusion in this crate by you, as defined in the Apache-2.0 license, shall