From c836ae78bb3da07878dcc37a44c4e07464cab90a Mon Sep 17 00:00:00 2001
From: josh11b <josh11b@users.noreply.github.com>
Date: Thu, 3 Jun 2021 07:56:48 -0700
Subject: [PATCH] `for` uses `in` instead of `:`, and implement #542. (#563)

* `for` uses `in` instead of `:`, and implement #542.
---
 docs/design/README.md             |  4 ++--
 docs/design/control_flow/loops.md | 10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/docs/design/README.md b/docs/design/README.md
index 21c877929224..ac8133f6b5be 100644
--- a/docs/design/README.md
+++ b/docs/design/README.md
@@ -410,7 +410,7 @@ Print("Done!");
 example, this prints all names in `names`:
 
 ```carbon
-for (var name: String : names) {
+for (var name: String in names) {
   Print(name);
 }
 ```
@@ -426,7 +426,7 @@ resume at the end of the loop's scope. For example, this processes steps until a
 manual step is hit (if no manual step is hit, all steps are processed):
 
 ```carbon
-for (var step: Step : steps) {
+for (var step: Step in steps) {
   if (step.IsManual()) {
     Print("Reached manual step!");
     break;
diff --git a/docs/design/control_flow/loops.md b/docs/design/control_flow/loops.md
index fb663ca8b78c..2139a463c2f6 100644
--- a/docs/design/control_flow/loops.md
+++ b/docs/design/control_flow/loops.md
@@ -24,7 +24,7 @@ SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 example, this prints `0`, `1`, `2`, then `Done!`:
 
 ```carbon
-var Int x = 0;
+var x: Int = 0;
 while (x < 3) {
   Print(x);
   ++x;
@@ -40,7 +40,7 @@ Print("Done!");
 example, this prints all names in `names`:
 
 ```carbon
-for (var String name : names) {
+for (var name: String in names) {
   Print(name);
 }
 ```
@@ -56,7 +56,7 @@ resume at the end of the loop's scope. For example, this processes steps until a
 manual step is hit (if no manual step is hit, all steps are processed):
 
 ```carbon
-for (var Step step : steps) {
+for (var step: Step in steps) {
   if (step.IsManual()) {
     Print("Reached manual step!");
     break;
@@ -75,9 +75,9 @@ example, this prints all non-empty lines of a file, using `continue` to skip
 empty lines:
 
 ```carbon
-File f = OpenFile(path);
+var f: File = OpenFile(path);
 while (!f.EOF()) {
-  String line = f.ReadLine();
+  var line: String = f.ReadLine();
   if (line.IsEmpty()) {
     continue;
   }