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Document available error codes

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Diggory Hardy
2020-10-19 11:10:29 +01:00
committed by Vinzent Steinberg
parent d8f4ec8e3a
commit fde4113cad
2 changed files with 5 additions and 1 deletions
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rand_core/CHANGELOG.md
+2 -1
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@@ -8,9 +8,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Bump MSRV to 1.36, various code improvements (#1011)
- Update to getrandom v0.2 (#1041)
- Fix: `next_u32_via_fill` and `next_u64_via_fill` now use LE as documented (#?)
- Fix: `next_u32_via_fill` and `next_u64_via_fill` now use LE as documented (#1061)
- Reduce usage of `unsafe` (#962, #963, #1011)
- Annotate feature-gates in documentation (#1019)
- Document available error codes (#1061)
- Various documentation tweaks
- Fix some clippy warnings (#1036)
- Apply rustfmt (#926)
rand_core/src/error.rs
+3
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@@ -29,6 +29,9 @@ impl Error {
/// Codes at or above this point can be used by users to define their own
/// custom errors.
///
/// This has a fixed value of `(1 << 31) + (1 << 30) = 0xC000_0000`,
/// therefore the number of values available for custom codes is `1 << 30`.
///
/// This is identical to [`getrandom::Error::CUSTOM_START`](https://docs.rs/getrandom/latest/getrandom/struct.Error.html#associatedconstant.CUSTOM_START).
pub const CUSTOM_START: u32 = (1 << 31) + (1 << 30);
/// Codes below this point represent OS Errors (i.e. positive i32 values).