Full std imports; limited prelude

crates/nu-std/src/lib.rs

@@ -17,12 +17,16 @@ pub fn load_standard_library(
         let std_dir = PathBuf::from("std");
 
         let mut std_files = vec![
-            ("mod.nu", include_str!("../std/mod.nu")),
+            // Loaded at startup
             ("core", include_str!("../std/core.nu")),
+            // std module - Loads all commands and submodules
+            ("mod.nu", include_str!("../std/mod.nu")),
+            // Faster - Loads a subset of commands and submodules
+            ("prelude", include_str!("../std/prelude.nu")),
+            // std submodules
             ("assert", include_str!("../std/assert.nu")),
             ("bench", include_str!("../std/bench.nu")),
             ("dirs", include_str!("../std/dirs.nu")),
-            ("deprecated_dirs", include_str!("../std/deprecated_dirs.nu")),
             ("dt", include_str!("../std/dt.nu")),
             ("formats", include_str!("../std/formats.nu")),
             ("help", include_str!("../std/help.nu")),
@@ -32,6 +36,8 @@ pub fn load_standard_library(
             ("math", include_str!("../std/math.nu")),
             ("lib", include_str!("../std/lib.nu")),
             ("xml", include_str!("../std/xml.nu")),
+            // Remove in following release
+            ("deprecated_dirs", include_str!("../std/deprecated_dirs.nu")),
         ];
 
         let mut working_set = StateWorkingSet::new(engine_state);

crates/nu-std/std/mod.nu

@@ -1,9 +1,26 @@
-# std.nu, `used` to load base standard library components
+# std.nu, `used` to load all standard library components
 
+export use lib *
+export module assert
+export module bench
+export use dirs main
+export module dirs {
+  export use dirs [
+    add
+    drop
+    next
+    prev
+    goto
+  ]
+}
+export module dt
+export use dt *
+export module formats
+export use formats *
+export module help
 export module input
 export module iter
-
-# Make certain commands available in the top-level namespace
-export use lib *
-export use formats *
-export use dt *
+export module log
+export use math *
+export module xml
+export use xml *

crates/nu-std/std/prelude.nu

@@ -0,0 +1,9 @@
+# std.nu, `used` to load base standard library components
+
+export module input
+export module iter
+
+# Make certain commands available in the top-level namespace
+export use lib *
+export use formats *
+export use dt *