Rework error handling in mdbook-spec #1733
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This enhances mdbook-spec's error handling with multiple changes: - Several errors are now conditionally warnings. This makes doing local development with `mdbook serve` much easier, as sometimes you are OK with temporarily having broken links. SPEC_DENY_WARNINGS still rejects these. - Collect multiple errors, and display all of them, instead of bailing on the very first error. - Show a count of the number of warnings or errors. This is done by introducing a new `Diagnostics` struct for emitting warnings and errors. The `warn_or_err!` macro provide the primary interface for emitting warnings. I also added a `bug!` macro for internal errors that will immediately exit. This is slightly nicer output than using `panic!`.
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Update books ## rust-lang/book 1 commits in e2fa4316c5a7c0d2499c5d6b799adcfad6ef7a45..d4d2c18cbd20876b2130a546e790446a8444cb32 2025-02-12 16:22:54 UTC to 2025-02-12 16:22:54 UTC - Fix example for `cargo fix` (rust-lang/book#4226) ## rust-lang/reference 3 commits in de2d5289e45506b11dd652bef4f99de64be70e1c..6195dbd70fc6f0980c314b4d23875ac570d8253a 2025-02-12 15:40:30 UTC to 2025-02-11 20:35:17 UTC - Revert "Update function-pointer.md for stabilization of `extended_varargs_abi_support`" (rust-lang/reference#1734) - Rework error handling in mdbook-spec (rust-lang/reference#1733) - `as` cast improvements (rust-lang/reference#1732)
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Update books ## rust-lang/book 1 commits in e2fa4316c5a7c0d2499c5d6b799adcfad6ef7a45..d4d2c18cbd20876b2130a546e790446a8444cb32 2025-02-12 16:22:54 UTC to 2025-02-12 16:22:54 UTC - Fix example for `cargo fix` (rust-lang/book#4226) ## rust-lang/reference 3 commits in de2d5289e45506b11dd652bef4f99de64be70e1c..6195dbd70fc6f0980c314b4d23875ac570d8253a 2025-02-12 15:40:30 UTC to 2025-02-11 20:35:17 UTC - Revert "Update function-pointer.md for stabilization of `extended_varargs_abi_support`" (rust-lang/reference#1734) - Rework error handling in mdbook-spec (rust-lang/reference#1733) - `as` cast improvements (rust-lang/reference#1732)
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Rollup merge of rust-lang#136937 - rustbot:docs-update, r=ehuss Update books ## rust-lang/book 1 commits in e2fa4316c5a7c0d2499c5d6b799adcfad6ef7a45..d4d2c18cbd20876b2130a546e790446a8444cb32 2025-02-12 16:22:54 UTC to 2025-02-12 16:22:54 UTC - Fix example for `cargo fix` (rust-lang/book#4226) ## rust-lang/reference 3 commits in de2d5289e45506b11dd652bef4f99de64be70e1c..6195dbd70fc6f0980c314b4d23875ac570d8253a 2025-02-12 15:40:30 UTC to 2025-02-11 20:35:17 UTC - Revert "Update function-pointer.md for stabilization of `extended_varargs_abi_support`" (rust-lang/reference#1734) - Rework error handling in mdbook-spec (rust-lang/reference#1733) - `as` cast improvements (rust-lang/reference#1732)
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Update books ## rust-lang/book 1 commits in e2fa4316c5a7c0d2499c5d6b799adcfad6ef7a45..d4d2c18cbd20876b2130a546e790446a8444cb32 2025-02-12 16:22:54 UTC to 2025-02-12 16:22:54 UTC - Fix example for `cargo fix` (rust-lang/book#4226) ## rust-lang/reference 3 commits in de2d5289e45506b11dd652bef4f99de64be70e1c..6195dbd70fc6f0980c314b4d23875ac570d8253a 2025-02-12 15:40:30 UTC to 2025-02-11 20:35:17 UTC - Revert "Update function-pointer.md for stabilization of `extended_varargs_abi_support`" (rust-lang/reference#1734) - Rework error handling in mdbook-spec (rust-lang/reference#1733) - `as` cast improvements (rust-lang/reference#1732)
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This enhances mdbook-spec's error handling with multiple changes:
mdbook servemuch easier, as sometimes you are OK with temporarily having broken links. SPEC_DENY_WARNINGS still rejects these.This is done by introducing a new
Diagnosticsstruct for emitting warnings and errors. Thewarn_or_err!macro provide the primary interface for emitting warnings.I also added a
bug!macro for internal errors that will immediately exit. This is slightly nicer output than usingpanic!.