X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Frustdoc-json-types%2Flib.rs;h=d25f68b3743d62d91c17617e53cd08a871d7c13d;hb=00db13fcc99ad722487ac1f565ee2717f9eb89e3;hp=7dcad66b1f992b8df236aa0c59e23d7f275f622c;hpb=1999ed798e5a77087cde68d2fb955d768ecfb5a4;p=rust.git

diff --git a/src/rustdoc-json-types/lib.rs b/src/rustdoc-json-types/lib.rs
index 7dcad66b1f9..d25f68b3743 100644
--- a/src/rustdoc-json-types/lib.rs
+++ b/src/rustdoc-json-types/lib.rs
@@ -9,7 +9,7 @@
 use serde::{Deserialize, Serialize};
 
 /// rustdoc format-version.
-pub const FORMAT_VERSION: u32 = 18;
+pub const FORMAT_VERSION: u32 = 19;
 
 /// A `Crate` is the root of the emitted JSON blob. It contains all type/documentation information
 /// about the language items in the local crate, as well as info about external items to allow
@@ -308,11 +308,28 @@ pub struct Enum {
 #[serde(rename_all = "snake_case")]
 #[serde(tag = "variant_kind", content = "variant_inner")]
 pub enum Variant {
-    Plain,
+    Plain(Option<Discriminant>),
     Tuple(Vec<Type>),
     Struct(Vec<Id>),
 }
 
+#[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
+pub struct Discriminant {
+    /// The expression that produced the discriminant.
+    ///
+    /// Unlike `value`, this preserves the original formatting (eg suffixes,
+    /// hexadecimal, and underscores), making it unsuitable to be machine
+    /// interpreted.
+    ///
+    /// In some cases, when the value is to complex, this may be `"{ _ }"`.
+    /// When this occurs is unstable, and may change without notice.
+    pub expr: String,
+    /// The numerical value of the discriminant. Stored as a string due to
+    /// JSON's poor support for large integers, and the fact that it would need
+    /// to store from [`i128::MIN`] to [`u128::MAX`].
+    pub value: String,
+}
+
 #[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 pub enum StructType {