authorgravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2026-08-09 17:18:51-07:00
committergravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2026-08-09 17:18:51-07:00
log6fb9f29c318b731eb213f56d7b14898be8b668cf
tree0640e38e15f308106d3f56348d649c82da391429
parentaebddddaa1dd96e7a86f3ee10cb6c5e89b56d58b
signature Signed by SSH key SHA256:4hHJbtBRU58AYXwjL7fkz2fnQHdiye8x1QpTCQ0sHNw

add splitScalarN

2 files changed, 22 insertions(+), 0 deletions(-)

src/lib.zig+2
......@@ -87,6 +87,7 @@ pub const from_hex = @import("./from_hex.zig").from_hex;
8787pub const Pointee = @import("./Pointee.zig").Pointee;
8888pub const compareFnSlice = @import("./compareFnSlice.zig").compareFnSlice;
8989pub const sumLen = @import("./sumLen.zig").sumLen;
90pub const splitScalarN = @import("./splitScalarN.zig").splitScalarN;
9091
9192test {
9293 _ = @import("reduceNumber.zig");
......@@ -163,4 +164,5 @@ test {
163164 _ = @import("Pointee.zig");
164165 _ = @import("compareFnSlice.zig");
165166 _ = @import("sumLen.zig");
167 _ = @import("splitScalarN.zig");
166168}
src/splitScalarN.zig created+20
......@@ -0,0 +1,20 @@
1const std = @import("std");
2const extras = @import("./lib.zig");
3
4pub fn splitScalarN(comptime T: type, buffer: []const T, delimiter: T, comptime N: usize) ?[N][]const T {
5 var result: [N][]const T = undefined;
6 var iter = std.mem.splitScalar(T, buffer, delimiter);
7 for (&result) |*x| x.* = iter.next() orelse return null;
8 if (iter.next() != null) return null;
9 return result;
10}
11
12test {
13 try std.testing.expectEqualDeep(&[_][]const u8{ "abc", "def" }, &splitScalarN(u8, "abc.def", '.', 2).?);
14}
15test {
16 try std.testing.expectEqual(null, splitScalarN(u8, "abcdef", '.', 2));
17}
18test {
19 try std.testing.expectEqual(null, splitScalarN(u8, "ab.cd.ef", '.', 2));
20}