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Diffstat (limited to 'compiler/rustc_expand/src/mbe/metavar_expr.rs')
| -rw-r--r-- | compiler/rustc_expand/src/mbe/metavar_expr.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_expand/src/mbe/metavar_expr.rs b/compiler/rustc_expand/src/mbe/metavar_expr.rs index dbbd948fd70..2964ac8cc58 100644 --- a/compiler/rustc_expand/src/mbe/metavar_expr.rs +++ b/compiler/rustc_expand/src/mbe/metavar_expr.rs @@ -119,6 +119,8 @@ impl MetaVarExpr { } } +/// Indicates what is placed in a `concat` parameter. For example, literals +/// (`${concat("foo", "bar")}`) or adhoc identifiers (`${concat(foo, bar)}`). #[derive(Debug, Decodable, Encodable, PartialEq)] pub(crate) enum MetaVarExprConcatElem { /// Identifier WITHOUT a preceding dollar sign, which means that this identifier should be |