feat(picker): add optional `core` feature with re-exports

Define a `core` feature in mingling_picker that gates a new `corebind`
module and re-exports its contents. The module is propagated to the
upstream `mingling` crate under the same feature flag.

4 files changed, 14 insertions, 1 deletions

diff --git a/mingling/src/lib.rs b/mingling/src/lib.rs
index ba87f85..9b13408 100644
--- a/mingling/src/lib.rs
+++ b/mingling/src/lib.rs
@@ -91,6 +91,9 @@ pub mod picker {
     pub mod parselib {
         pub use mingling_picker::parselib::*;
     }
+
+    #[cfg(feature = "core")]
+    pub use mingling_picker::corebind::*;
 }
 
 /// Re-export of all macros from `mingling_macros`.
diff --git a/mingling_picker/Cargo.toml b/mingling_picker/Cargo.toml
index aae4d54..a585a39 100644
--- a/mingling_picker/Cargo.toml
+++ b/mingling_picker/Cargo.toml
@@ -8,6 +8,9 @@ authors = ["Weicao-CatilGrass"]
 readme = "README.md"
 description = "Mingling's lightweight argument parser"
 
+[features]
+core = ["dep:mingling_core"]
+
 [dependencies]
-mingling_core.workspace = true
+mingling_core = { workspace = true, optional = true }
 mingling_picker_macros.workspace = true
diff --git a/mingling_picker/src/corebind.rs b/mingling_picker/src/corebind.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/mingling_picker/src/corebind.rs
@@ -0,0 +1 @@
+
diff --git a/mingling_picker/src/lib.rs b/mingling_picker/src/lib.rs
index 4056283..d3d3fdd 100644
--- a/mingling_picker/src/lib.rs
+++ b/mingling_picker/src/lib.rs
@@ -19,3 +19,9 @@ pub mod prelude {
 pub mod macros {
     pub use mingling_picker_macros::*;
 }
+
+#[cfg(feature = "core")]
+mod corebind;
+
+#[cfg(feature = "core")]
+pub use corebind::*;