Merge pull request #990 from ruby/update-steep

Update steep

bin/steep

@@ -1,16 +1,17 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
-REPO_ROOT=$(cd $(dirname $0); pwd)
-GEMFILE=${REPO_ROOT}/../steep/Gemfile
+BINSTUB_DIR=$(cd $(dirname $0); pwd)
+GEMFILE=$(readlink -f ${BINSTUB_DIR}/../steep/Gemfile)
+ROOT_DIR=$(readlink -f ${BINSTUB_DIR}/..)
 
 STEEP="bundle exec --gemfile=${GEMFILE} steep"
 
 if type "rbenv" > /dev/null 2>&1; then
   STEEP="rbenv exec ${STEEP}"
 else
   if type "rvm" > /dev/null 2>&1; then
-    STEEP="rvm ${REPO_ROOT} do ${STEEP}"
+    STEEP="rvm ${ROOT_DIR} do ${STEEP}"
   fi
 fi
 
-exec $STEEP $*
+exec $STEEP $@

sig/polyfill.rbs

@@ -8,12 +8,6 @@ module Gem
   end
 end
 
-module Enumerable[unchecked out Elem]
-  def flat_map: [U] () { (Elem) -> Array[U] } -> Array[U]
-              | [U] () { (Elem) -> U } -> Array[U]
-              | ...
-end
-
 module Bundler
   class LockfileParser
     def initialize: (String) -> void