From 9a5ca20d2537179f3a8e01762c8db6b52a4db2d9 Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Sat, 3 Oct 2026 14:03:48 -0700 Subject: Chapter 17a: Mutability and Read-Only Views --- docs/chapter17a/17-grammar.md | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 docs/chapter17a/17-grammar.md (limited to 'docs/chapter17a/17-grammar.md') diff --git a/docs/chapter17a/17-grammar.md b/docs/chapter17a/17-grammar.md new file mode 100644 index 00000000..98aef06c --- /dev/null +++ b/docs/chapter17a/17-grammar.md @@ -0,0 +1,17 @@ +# Chapter 17a grammar additions + +The expression and statement forms are those of Chapter 16. Declarations add +independent access and binding modifiers: + +```text +declaration = type binding ("," binding)* ";" +binding = ("!" | "~")? identifier ("=" expression)? +type = ("!" | "~")? name suffix* +suffix = "?" | "[]" | "[~]" +``` + +A prefix qualifier requires a struct reference. It qualifies the named base, +not enclosing arrays. Each bracket pair qualifies its own array layer. A binding +modifier applies only to the following name. See the README for defaults and +constructor initialization rules. `var`, `val`, increments, compound assignments, +conditional expressions, and `for` loops are introduced in Chapter 17b. -- cgit v1.2.3