Document BindingKind size

crates/ruff/examples/main.rs

@@ -0,0 +1,70 @@
+use std::mem::size_of_val;
+
+#[derive(Clone, Debug)]
+pub struct Export<'a> {
+    /// The names of the bindings exported via `__all__`.
+    pub names: Vec<&'a str>,
+}
+
+#[derive(Clone, Debug)]
+pub struct Importation<'a> {
+    /// The name to which the import is bound.
+    /// Given `import foo`, `name` would be "foo".
+    /// Given `import foo as bar`, `name` would be "bar".
+    pub name: &'a str,
+    /// The full name of the module being imported.
+    /// Given `import foo`, `full_name` would be "foo".
+    /// Given `import foo as bar`, `full_name` would be "foo".
+    pub full_name: &'a str,
+}
+
+#[derive(Clone, Debug)]
+pub struct FromImportation<'a> {
+    /// The name to which the import is bound.
+    /// Given `from foo import bar`, `name` would be "bar".
+    /// Given `from foo import bar as baz`, `name` would be "baz".
+    pub name: &'a str,
+    /// The full name of the module being imported.
+    /// Given `from foo import bar`, `full_name` would be "foo.bar".
+    /// Given `from foo import bar as baz`, `full_name` would be "foo.bar".
+    pub full_name: String,
+}
+
+#[derive(Clone, Debug)]
+pub struct SubmoduleImportation<'a> {
+    /// The parent module imported by the submodule import.
+    /// Given `import foo.bar`, `module` would be "foo".
+    pub name: &'a str,
+    /// The full name of the submodule being imported.
+    /// Given `import foo.bar`, `full_name` would be "foo.bar".
+    pub full_name: &'a str,
+}
+
+#[derive(Clone, Debug)]
+pub enum BindingKind<'a> {
+    Annotation,
+    Argument,
+    Assignment,
+    NamedExprAssignment,
+    Binding,
+    LoopVar,
+    Global,
+    Nonlocal,
+    Builtin,
+    ClassDefinition,
+    FunctionDefinition,
+    // 32
+    Export(Export<'a>),
+    FutureImportation,
+    // 40
+    Importation(Importation<'a>),
+    // 48
+    FromImportation(FromImportation<'a>),
+    // 48
+    SubmoduleImportation(SubmoduleImportation<'a>),
+}
+
+fn main() {
+    let smart = BindingKind::Assignment;
+    dbg!(size_of_val(&smart));
+}