build(bazel): add first-party Rust wrappers

bazel/rust.bzl

@@ -1,6 +1,52 @@
+load(
+    "@rules_rust//rust:defs.bzl",
+    _rules_rust_binary = "rust_binary",
+    _rules_rust_library = "rust_library",
+    _rules_rust_test = "rust_test",
+)
 load("//bazel:utils.bzl", "execute", "require_env")
 
 
+def rust_module(name, src, deps = [], **kwargs):
+    native.filegroup(
+        name = name,
+        srcs = [src] + deps,
+        **kwargs
+    )
+
+
+def rust_library(name, src, crate_name = None, modules = [], deps = [], **kwargs):
+    _rules_rust_library(
+        name = name,
+        crate_name = crate_name,
+        crate_root = src,
+        srcs = [src] + modules,
+        deps = deps,
+        **kwargs
+    )
+
+
+def rust_binary(name, src, crate_name = None, deps = [], **kwargs):
+    _rules_rust_binary(
+        name = name,
+        crate_name = crate_name,
+        crate_root = src,
+        srcs = [src],
+        deps = deps,
+        **kwargs
+    )
+
+
+def rust_test(name, src, deps = [], **kwargs):
+    _rules_rust_test(
+        name = name,
+        crate_root = src,
+        srcs = [src],
+        deps = deps,
+        **kwargs
+    )
+
+
 def _rust_repository_impl(repository_ctx):
     root = repository_ctx.path(require_env(repository_ctx, "RUST_TOOLCHAIN_ROOT"))
     rustc = root.get_child("bin/rustc")