From: Jason Self <j@jxself.org>
Date: Sun, 2 Jun 2019 15:56:59 +0000 (-0700)
Subject: Add Loop control
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=92cfa50b5bb99a38f735143485e1cc9588930a39;p=inform-resources.git

Add Loop control
---

diff --git a/informqr/informqr.md b/informqr/informqr.md
index 0dee485..c43d0c4 100644
--- a/informqr/informqr.md
+++ b/informqr/informqr.md
@@ -1,4 +1,4 @@
-o% Inform in four minutes
+% Inform in four minutes
 % Roger Firth <roger@firthworks.com>
 
 A quick reference to the Inform programming language.
@@ -387,4 +387,41 @@ where each *value* can be given as:
 
     constant
     lo_constant to hi_constant
-    constant,constant, ... constant
\ No newline at end of file
+    constant,constant, ... constant
+
+Loop control
+------------
+
+To execute statements while *expr* is true:
+
+    while (expr)
+        statement_block
+
+To execute statements until *expr* is true:
+
+    do
+        statement_block
+        until (expr)
+
+To execute statements while a variable changes:
+
+    for (set_var : loop_while_expr : update_var )
+        statement_block
+
+To execute statements for all defined objects:
+
+    objectloop (variable)
+        statement_block
+
+To execute statements for all objects selected by *expr*:
+
+    objectloop (expr_starting_with_variable)
+        statement_block
+
+To jump out of the current innermost loop or switch:
+
+    break;
+
+To immediately start the next iteration of the current loop:
+
+    continue;
\ No newline at end of file