Array concatenation: Difference between revisions
→{{header|Zig}}: fix, add deinit() where appropriate, use std.mem.concat
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Recombinant (talk | contribs) (→{{header|Zig}}: fix, add deinit() where appropriate, use std.mem.concat) |
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=={{header|Zig}}==
There are no hidden memory allocations in Zig.
<syntaxhighlight lang="zig">
}▼
pub fn main() !void {
var
defer _ = gpa.deinit();
var array1 = [_]u32{ 1, 2, 3, 4, 5 };▼
const allocator = gpa.allocator();
var array2 = [_]u32{ 6, 7, 8, 9, 10, 11, 12 };▼
const array3 = concat(gpa, &array1, &array2);▼
▲ var array1 = [_]u32{ 1, 2, 3, 4, 5 };
std.debug.print("Array 1: {any}\nArray 2: {any}\nArray 3: {any}", .{ array1, array2, array3 });▼
▲ var array2 = [_]u32{ 6, 7, 8, 9, 10, 11, 12 };
}</syntaxhighlight>▼
defer allocator.free(slice3);
// Same result, alternative syntax
const slice4 = try std.mem.concat(allocator, u32, &[_][]const u32{ array1[0..], array2[0..] });
defer allocator.free(slice4);
std.debug.print(
▲
.{ array1, array2, slice3, slice4 },
);
▲}
{{out}}
<pre>
Array 1: { 1, 2, 3, 4, 5 }
Array 2: { 6, 7, 8, 9, 10, 11, 12 }
Slice 3: { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 }
Slice 4: { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 }
</pre>
=={{header|zkl}}==
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