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ruby-changes:71457

From: Jeremy <ko1@a...>
Date: Fri, 18 Mar 2022 12:36:42 +0900 (JST)
Subject: [ruby-changes:71457] 634e0a97eb (master): Encourage arity argument in Proc#curry documentation for procs with variable arguments

https://git.ruby-lang.org/ruby.git/commit/?id=634e0a97eb

From 634e0a97eb82ab259c7f7a35d0486baebe77df0f Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Thu, 17 Mar 2022 20:34:13 -0700
Subject: Encourage arity argument in Proc#curry documentation for procs with
 variable arguments

This uses similar language to that used in Method#curry.
---
 proc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/proc.c b/proc.c
index 4a4ba70c87..faf3a5166e 100644
--- a/proc.c
+++ b/proc.c
@@ -3569,6 +3569,10 @@ curry(RB_BLOCK_CALL_FUNC_ARGLIST(_, args)) https://github.com/ruby/ruby/blob/trunk/proc.c#L3569
   *  proc and returns the result. Otherwise, returns another curried proc that
   *  takes the rest of arguments.
   *
+  *  The optional <i>arity</i> argument should be supplied when currying procs with
+  *  variable arguments to determine how many arguments are needed before the proc is
+  *  called.
+  *
   *     b = proc {|x, y, z| (x||0) + (y||0) + (z||0) }
   *     p b.curry[1][2][3]           #=> 6
   *     p b.curry[1, 2][3, 4]        #=> 6
-- 
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