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Add missing long error code explanations #61137
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A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lintsA-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and toolsD-newcomer-roadblockDiagnostics: Confusing error or lint; hard to understand for new users.Diagnostics: Confusing error or lint; hard to understand for new users.E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.metabugIssues about issues themselves ("bugs about bugs")Issues about issues themselves ("bugs about bugs")
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A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lintsA-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and toolsD-newcomer-roadblockDiagnostics: Confusing error or lint; hard to understand for new users.Diagnostics: Confusing error or lint; hard to understand for new users.E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.metabugIssues about issues themselves ("bugs about bugs")Issues about issues themselves ("bugs about bugs")
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This is a re-opening of #32777.
Explanations
Those error codes and their explanations are declared in files named
error_codes.rs. In those files, you can see generally two macros:register_diagnosticsandregister_long_diagnostics. If an error code is inregister_diagnostics, it means it lacks long error explanation. The goal of this issue is to add those missing explanations!This is an easy first issue but don't hesitate to ask for help if you're stuck on something!
Here is the list of all error codes that don't have a long error explanation yet:
selftype" instead of "receiver type" #64110)E0313#106580)E0377#105935)E0460andE0457#105860)E0460andE0457#105860)E0461#106028)E0465intoE0464#106282)E0476#108444)E0490#106714)E0514andE0519#106236)E0514andE0519#106236)