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authorJames LeBlanc <james.p.leblanc@gmail.com>2022-09-03 10:56:25 +0200
committerJames LeBlanc <james.p.leblanc@gmail.com>2022-09-03 10:56:25 +0200
commit2c13601de07be5c980acb1c127f972f11acbdc9b (patch)
treeebbac0f1836820173342413d666bbcc5baafe3ea
parenta723a4c1df3276b31733e13b16a33e859c831188 (diff)
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corrected @bitReverse for only 1 arg, instead of 2 args
-rw-r--r--exercises/064_builtins.zig5
-rw-r--r--patches/patches/064_builtins.patch4
2 files changed, 4 insertions, 5 deletions
diff --git a/exercises/064_builtins.zig b/exercises/064_builtins.zig
index 018bf95..1a0d263 100644
--- a/exercises/064_builtins.zig
+++ b/exercises/064_builtins.zig
@@ -76,8 +76,7 @@ pub fn main() void {
// Here's a fun one:
//
- // @bitReverse(comptime T: type, integer: T) T
- // * 'T' will be the type of the input and output.
+ // @bitReverse(integer: anytype) T
// * 'integer' is the value to reverse.
// * The return value will be the same type with the
// value's bits reversed!
@@ -85,6 +84,6 @@ pub fn main() void {
// Now it's your turn. See if you can fix this attempt to use
// this builtin to reverse the bits of a u8 integer.
const input: u8 = 0b11110000;
- const tupni: u8 = @bitReverse(input);
+ const tupni: u8 = @bitReverse(input, tupni);
print("{b:0>8} backwards is {b:0>8}.\n", .{ input, tupni });
}
diff --git a/patches/patches/064_builtins.patch b/patches/patches/064_builtins.patch
index 06fa735..ebe313d 100644
--- a/patches/patches/064_builtins.patch
+++ b/patches/patches/064_builtins.patch
@@ -3,6 +3,6 @@
---
> const expected_result: u8 = 0b00010010;
88c88
-< const tupni: u8 = @bitReverse(input);
+< const tupni: u8 = @bitReverse(input, tupni);
---
-> const tupni: u8 = @bitReverse(u8, input);
+> const tupni: u8 = @bitReverse(input);