From 5f22bf5c249eb57b83ca15c4e8997a7c49b2bab7 Mon Sep 17 00:00:00 2001
From: Dave Gauer <dave@ratfactor.com>
Date: Sat, 6 Mar 2021 19:16:28 -0500
Subject: add ex53 slices2

---
 build.zig                        |  4 ++++
 exercises/53_slices2.zig         | 35 +++++++++++++++++++++++++++++++++++
 patches/patches/53_slices2.patch | 20 ++++++++++++++++++++
 3 files changed, 59 insertions(+)
 create mode 100644 exercises/53_slices2.zig
 create mode 100644 patches/patches/53_slices2.patch

diff --git a/build.zig b/build.zig
index d390f91..8e8a45b 100644
--- a/build.zig
+++ b/build.zig
@@ -272,6 +272,10 @@ const exercises = [_]Exercise{
         .main_file = "52_slices.zig",
         .output = "Hand1: A 4 K 8 Hand2: 5 2 Q J",
     },
+    .{
+        .main_file = "53_slices2.zig",
+        .output = "'all your base are belong to us.' 'for great justice.'",
+    },
 };
 
 /// Check the zig version to make sure it can compile the examples properly.
diff --git a/exercises/53_slices2.zig b/exercises/53_slices2.zig
new file mode 100644
index 0000000..2456d86
--- /dev/null
+++ b/exercises/53_slices2.zig
@@ -0,0 +1,35 @@
+//
+// You are perhaps tempted to try slices on strings? They're arrays of
+// u8 characters after all, right? Slices on strings work great.
+// There's just one catch: don't forget that Zig string literals are
+// immutable (const) values. So we need to change the type of slice
+// from:
+//
+//     var foo: []u8 = "foobar"[0..3];
+//
+// to:
+//   
+//     var foo: []const u8 = "foobar"[0..3];
+//
+// See if you can fix this Zero Wing-inspired phrase descrambler:
+const std = @import("std");
+
+pub fn main() void {
+    const scrambled = "great base for all your justice are belong to us";
+
+    const base1: []u8 = scrambled[15..23];
+    const base2: []u8 = scrambled[6..10];
+    const base3: []u8 = scrambled[32..];
+    printPhrase(base1, base2, base3);
+
+    const justice1: []u8 = scrambled[11..14];
+    const justice2: []u8 = scrambled[0..5];
+    const justice3: []u8 = scrambled[24..31];
+    printPhrase(justice1, justice2, justice3);
+
+    std.debug.print("\n", .{});
+}
+
+fn printPhrase(part1: []u8, part2: []u8, part3: []u8) void {
+    std.debug.print("'{s} {s} {s}.' ", .{part1, part2, part3});
+}
diff --git a/patches/patches/53_slices2.patch b/patches/patches/53_slices2.patch
new file mode 100644
index 0000000..f5403a2
--- /dev/null
+++ b/patches/patches/53_slices2.patch
@@ -0,0 +1,20 @@
+20,22c20,22
+<     const base1: []u8 = scrambled[15..23];
+<     const base2: []u8 = scrambled[6..10];
+<     const base3: []u8 = scrambled[32..];
+---
+>     const base1: []const u8 = scrambled[15..23];
+>     const base2: []const u8 = scrambled[6..10];
+>     const base3: []const u8 = scrambled[32..];
+25,27c25,27
+<     const justice1: []u8 = scrambled[11..14];
+<     const justice2: []u8 = scrambled[0..5];
+<     const justice3: []u8 = scrambled[24..31];
+---
+>     const justice1: []const u8 = scrambled[11..14];
+>     const justice2: []const u8 = scrambled[0..5];
+>     const justice3: []const u8 = scrambled[24..31];
+33c33
+< fn printPhrase(part1: []u8, part2: []u8, part3: []u8) void {
+---
+> fn printPhrase(part1: []const u8, part2: []const u8, part3: []const u8) void {
-- 
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