refactor(gctx): move KeyOrIdex to key submodule

Author: weihanglo

src/cargo/util/context/key.rs

@@ -112,6 +112,12 @@ impl fmt::Display for ConfigKey {
     }
 }
 
+#[derive(Debug)]
+pub enum KeyOrIdx {
+    Key(String),
+    Idx(usize),
+}
+
 pub(super) fn escape_key_part<'a>(part: &'a str) -> Cow<'a, str> {
     let ok = part.chars().all(|c| {
         matches!(c,

src/cargo/util/context/mod.rs

@@ -112,6 +112,7 @@ pub use value::{Definition, OptValue, Value};
 
 mod key;
 pub use key::ConfigKey;
+use key::KeyOrIdx;
 
 mod path;
 pub use path::{ConfigRelativePath, PathAndArgs};
@@ -2064,12 +2065,6 @@ impl GlobalContext {
     }
 }
 
-#[derive(Debug)]
-enum KeyOrIdx {
-    Key(String),
-    Idx(usize),
-}
-
 /// Similar to [`toml::Value`] but includes the source location where it is defined.
 #[derive(Eq, PartialEq, Clone)]
 pub enum ConfigValue {