[GR-16761] Kernel#then.

PullRequest: truffleruby/917

Author: chrisseaton

CHANGELOG.md

@@ -21,6 +21,7 @@ Compatibility:
 * Implemented `rb_enc_sprintf` (#1702).
 * Implemented `ENV#{filter,filter!}` aliases for `select` and `select!`.
 * Non-blocking `StringIO` and `Socket` APIs now support `exception: false` like MRI (#1702).
+* Added `Kernel#then` (#1703).
 
 Changes:
 

spec/tags/core/kernel/then_tags.txt

@@ -27,7 +27,6 @@ fails:Public methods on IO should not include encode_with
 fails:Public methods on IO should not include nonblock
 fails:Public methods on IO should not include nonblock=
 fails:Public methods on IO should not include nonblock?
-fails:Public methods on Kernel should include then
 fails:Public methods on Numeric should include clone
 fails:Public methods on Numeric should include dup
 fails:Public methods on Range should include %

spec/tags/truffle/methods_tags.txt

@@ -483,6 +483,8 @@ def yield_self
     end
   end
 
+  alias_method :then, :yield_self
+
   def test(cmd, file1, file2=nil)
     case cmd
     when ?d