Move new commands to the new structure

crates/nu-command/src/core_commands/export_def.rs

@@ -0,0 +1,35 @@
+use nu_protocol::ast::Call;
+use nu_protocol::engine::{Command, EvaluationContext};
+use nu_protocol::{Signature, SyntaxShape, Value};
+
+pub struct ExportDef;
+
+impl Command for ExportDef {
+    fn name(&self) -> &str {
+        "export def"
+    }
+
+    fn usage(&self) -> &str {
+        "Define a custom command and export it from a module"
+    }
+
+    fn signature(&self) -> nu_protocol::Signature {
+        Signature::build("export def")
+            .required("target", SyntaxShape::String, "definition name")
+            .required("params", SyntaxShape::Signature, "parameters")
+            .required(
+                "block",
+                SyntaxShape::Block(Some(vec![])),
+                "body of the definition",
+            )
+    }
+
+    fn run(
+        &self,
+        _context: &EvaluationContext,
+        call: &Call,
+        _input: Value,
+    ) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
+        Ok(Value::Nothing { span: call.head })
+    }
+}

crates/nu-command/src/core_commands/hide.rs

@@ -0,0 +1,28 @@
+use nu_protocol::ast::Call;
+use nu_protocol::engine::{Command, EvaluationContext};
+use nu_protocol::{Signature, SyntaxShape, Value};
+
+pub struct Hide;
+
+impl Command for Hide {
+    fn name(&self) -> &str {
+        "hide"
+    }
+
+    fn usage(&self) -> &str {
+        "Hide definitions in the current scope"
+    }
+
+    fn signature(&self) -> nu_protocol::Signature {
+        Signature::build("hide").required("pattern", SyntaxShape::String, "import pattern")
+    }
+
+    fn run(
+        &self,
+        _context: &EvaluationContext,
+        call: &Call,
+        _input: Value,
+    ) -> Result<nu_protocol::Value, nu_protocol::ShellError> {
+        Ok(Value::Nothing { span: call.head })
+    }
+}

crates/nu-command/src/core_commands/mod.rs

@@ -1,6 +1,8 @@
 mod alias;
 mod def;
 mod do_;
+mod export_def;
+mod hide;
 mod if_;
 mod let_;
 mod module;
@@ -9,6 +11,8 @@ mod use_;
 pub use alias::Alias;
 pub use def::Def;
 pub use do_::Do;
+pub use export_def::ExportDef;
+pub use hide::Hide;
 pub use if_::If;
 pub use let_::Let;
 pub use module::Module;