lib/parser/ruby-next/AST_FORMAT.md in ruby-next-parser-2.8.0.0 vs lib/parser/ruby-next/AST_FORMAT.md in ruby-next-parser-2.8.0.1

@@ -10,5 +10,32 @@
 "self.:foo"
      ^^ dot
        ^^^ selector
  ^^^^^^^^^ expression
 ~~~
+
+### "Endless" method
+
+Format:
+
+~~~
+(def_e :foo (args) (int 42))
+"def foo() = 42"
+ ~~~ keyword
+     ~~~ name
+           ^ assignment
+ ~~~~~~~~~~~~~~ expression
+~~~
+
+
+### "Endless" singleton method
+
+Format:
+
+~~~
+(defs_e (self) :foo (args) (int 42))
+"def self.foo() = 42"
+ ~~~ keyword
+          ~~~ name
+                ^ assignment
+ ~~~~~~~~~~~~~~~~~~~ expression
+~~~