load("@io_bazel_rules_scala//scala:scala_toolchain.bzl", "scala_toolchain") scala_toolchain( name = "toolchain_impl", scalacopts = ["-Ywarn-unused"], visibility = ["//visibility:public"] ) toolchain( name = "scala_toolchain", toolchain_type = "@io_bazel_rules_scala//scala:toolchain_type", toolchain = "toolchain_impl", visibility = ["//visibility:public"] )