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| author | Chris Simpkins <git.simpkins@gmail.com> | 2020-05-28 16:16:34 -0400 |
|---|---|---|
| committer | Who? Me?! <mark-i-m@users.noreply.github.com> | 2020-05-28 19:57:59 -0500 |
| commit | 6edb8366dd081529757aa0feac0c7bfa0f4a7a89 (patch) | |
| tree | aad4ea0078ee1c8d2d8361383b80e4a32f2d95c1 /src/doc/rustc-dev-guide | |
| parent | 30a732758164b302176f10687856049618a633a6 (diff) | |
| download | rust-6edb8366dd081529757aa0feac0c7bfa0f4a7a89.tar.gz rust-6edb8366dd081529757aa0feac0c7bfa0f4a7a89.zip | |
add documentation of UI test error annotation substring support
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/tests/adding.md | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/doc/rustc-dev-guide/src/tests/adding.md b/src/doc/rustc-dev-guide/src/tests/adding.md index e2a397a5b6a..e20d7fdc1d7 100644 --- a/src/doc/rustc-dev-guide/src/tests/adding.md +++ b/src/doc/rustc-dev-guide/src/tests/adding.md @@ -194,7 +194,10 @@ source. Error annotations specify the errors that the compiler is expected to emit. They are "attached" to the line in source where the error is located. Error annotations are considered during tidy lints of line -length and should be formatted according to tidy requirements. +length and should be formatted according to tidy requirements. You may +use an error message prefix sub-string if necessary to meet line length +requirements. Make sure that the text is long enough for the error +message to be self-documenting. The error annotation definition and source line definition association is defined with the following set of idioms: |