Document ranges structs are read-only

josevalim · josevalim · commit 1dd09cb0bc2c · 2021-03-30T12:02:32.000+02:00
diff --git a/lib/elixir/lib/range.ex b/lib/elixir/lib/range.ex
@@ -68,6 +68,10 @@ defmodule Range do
       iex> range.step
       2
 
+  You can access the range fields (`first`, `last`, and `step`)
+  directly but you should not modify nor create ranges by hand.
+  Instead use the proper operators or `new/2` and `new/3`.
+
   A range implements the `Enumerable` protocol, which means
   functions in the `Enum` module can be used to work with
   ranges:

Original file line number	Diff line number	Diff line change
`@@ -68,6 +68,10 @@ defmodule Range do`
`68`	`68`	`iex> range.step`
`69`	`69`	`2`
`70`	`70`
	`71`	+ You can access the range fields (`first`, `last`, and `step`)
	`72`	`+ directly but you should not modify nor create ranges by hand.`
	`73`	+ Instead use the proper operators or `new/2` and `new/3`.
	`74`	`+`
`71`	`75`	A range implements the `Enumerable` protocol, which means
`72`	`76`	functions in the `Enum` module can be used to work with
`73`	`77`	`ranges:`