From 2fa3e43fae867f5b8757780eb2bbf7444b56f5d5 Mon Sep 17 00:00:00 2001 From: Robert Griesemer Date: Thu, 25 Sep 2014 12:52:05 -0700 Subject: [PATCH] spec: clarify scope and re-use of iteration variables Fixes #7834. LGTM=iant, rsc, r R=r, rsc, iant, ken CC=golang-codereviews https://golang.org/cl/148940044 --- doc/go_spec.html | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/doc/go_spec.html b/doc/go_spec.html index e0ed7e7b74..583517269c 100644 --- a/doc/go_spec.html +++ b/doc/go_spec.html @@ -4682,6 +4682,7 @@ additionally it may specify an init and a post statement, such as an assignment, an increment or decrement statement. The init statement may be a short variable declaration, but the post statement must not. +Variables declared by the init statement are re-used in each iteration.

@@ -4808,7 +4809,7 @@ The iteration variables may be declared by the "range" clause using a form of
 short variable declaration
 (:=).
 In this case their types are set to the types of the respective iteration values
-and their scope ends at the end of the "for"
+and their scope is the block of the "for"
 statement; they are re-used in each iteration.
 If the iteration variables are declared outside the "for" statement,
 after execution their values will be those of the last iteration.
-- 
2.50.0