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Merge pull request 'emphasize that the end number of a for-loop range is exclusive' (#366) from pebose/exercises:emphasize-for-loop-range into main

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Reviewed-on: https://codeberg.org/ziglings/exercises/pulls/366
This commit is contained in:
Chris Boesch
2026-02-27 19:44:35 +01:00
parent 07031c5daa 88510735e1
commit d5fdfe708c
3 changed files with 21 additions and 4 deletions
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2
build.zig
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@@ -1147,7 +1147,7 @@ const exercises = [_]Exercise{
}, },
.{ .{
.main_file = "095_for3.zig", .main_file = "095_for3.zig",
.output = "1 2 4 7 8 11 13 14 16 17 19", .output = "1 2 4 7 8 11 13 14 16 17 19\n1 2 3 4 5 6 7 8 9 10 11 12 13 14 15",
}, },
.{ .{
.main_file = "096_memory_allocation.zig", .main_file = "096_memory_allocation.zig",

8
exercises/095_for3.zig
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@@ -28,6 +28,8 @@
// 0..10 is a range from 0 to 9 // 0..10 is a range from 0 to 9
// 1..4 is a range from 1 to 3 // 1..4 is a range from 1 to 3
// //
// Crucially, the end value is EXCLUSIVE.
//
// At the moment, ranges in loops are only supported in 'for' loops. // At the moment, ranges in loops are only supported in 'for' loops.
// //
// Perhaps you recall Exercise 13? We were printing a numeric // Perhaps you recall Exercise 13? We were printing a numeric
@@ -64,6 +66,12 @@ pub fn main() void {
} }
std.debug.print("\n", .{}); std.debug.print("\n", .{});
// Let's also print every number from 1 through 15
for (???) |n| {
std.debug.print("{} ", .{n});
}
std.debug.print("\n", .{});
} }
// //
// That's a bit nicer, right? // That's a bit nicer, right?

15
patches/patches/095_for3.patch
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@@ -1,6 +1,6 @@
--- exercises/095_for3.zig 2023-10-03 22:15:22.125574535 +0200 --- exercises/095_for3.zig 2026-02-27 19:33:59
+++ answers/095_for3.zig 2023-10-05 20:04:07.272770937 +0200 +++ answers/095_for3.zig 2026-02-27 19:33:38
@@ -54,7 +54,7 @@ @@ -56,7 +56,7 @@
// I want to print every number between 1 and 20 that is NOT // I want to print every number between 1 and 20 that is NOT
// divisible by 3 or 5. // divisible by 3 or 5.
@@ -9,3 +9,12 @@
// The '%' symbol is the "modulo" operator and it // The '%' symbol is the "modulo" operator and it
// returns the remainder after division. // returns the remainder after division.
@@ -68,7 +68,7 @@
std.debug.print("\n", .{});
// Let's also print every number from 1 through 15
- for (???) |n| {
+ for (1..16) |n| {
std.debug.print("{} ", .{n});
}
std.debug.print("\n", .{});