Jeremy Fitzhardinge 82ccb6582a Add --extern-loc to augment unused crate dependency diagnostics ... This allows a build system to indicate a location in its own dependency specification files (eg Cargo's `Cargo.toml`) which can be reported along side any unused crate dependency. This supports several types of location: - 'json' - provide some json-structured data, which is included in the json diagnostics in a `tool_metadata` field - 'raw' - emit the provided string into the output. This also appears as a json string in `tool_metadata`. If no `--extern-location` is explicitly provided then a default json entry of the form `"tool_metadata":{"name":<cratename>,"path":<cratepath>}` is emitted.		2021-02-07 14:54:20 -08:00
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builtin.rs	expand/resolve: Turn #[derive] into a regular macro attribute	2021-02-07 20:08:45 +03:00
lib.rs	Add --extern-loc to augment unused crate dependency diagnostics	2021-02-07 14:54:20 -08:00