Allow ExprLit expression macros to be used in patterns. #16891
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This seems reasonable to me. |
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If it's desirable, this could use the existing expression to pattern mapping in const_eval::const_expr_to_pat so that match arm macros could expand to a broader range of expressions. |
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@jakub- This is just for built-in macros, |
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Enables any macros using `MacExpr` to be treated as patterns when they produce a literal in the form `ExprLit` (e.g. `stringify!` or `line!`). Fixes #16876.
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chore: remove repetitive words
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Enables any macros using
MacExprto be treated as patterns whenthey produce a literal in the form
ExprLit(e.g.stringify!orline!).Fixes #16876.