Zig utility library
Rename the project
+37
-16
+1
-1
README.md
+1
-1
README.md
+3
-3
build.zig
+3
-3
build.zig
···
4
4
const target = b.standardTargetOptions(.{});
5
5
const optimize = b.standardOptimizeOption(.{});
6
6
7
-
const mod = b.addModule("laz", .{
7
+
const mod = b.addModule("mitochondria", .{
8
8
.root_source_file = b.path("src/root.zig"),
9
9
.target = target,
10
10
.optimize = optimize,
11
11
});
12
-
mod.addImport("laz", mod);
12
+
mod.addImport("mitochondria", mod);
13
13
14
14
const lib = b.addLibrary(.{
15
-
.name = "laz",
15
+
.name = "mitochondria",
16
16
.root_module = mod,
17
17
});
18
18
+2
-2
build.zig.zon
+2
-2
build.zig.zon
···
1
1
.{
2
-
.name = .laz,
2
+
.name = .mitochondria,
3
3
.version = "0.1.0",
4
4
// Together with name, this represents a globally unique package
5
5
// identifier. This field is generated by the Zig toolchain when the
···
13
13
// original project's identity. Thus it is recommended to leave the comment
14
14
// on the following line intact, so that it shows up in code reviews that
15
15
// modify the field.
16
-
.fingerprint = 0x72ba2992beecd756, // Changing this has security and trust implications.
16
+
.fingerprint = 0xceefe49077877544, // Changing this has security and trust implications.
17
17
.minimum_zig_version = "0.15.2",
18
18
.dependencies = .{},
19
19
.paths = .{
+2
-2
flake.nix
+2
-2
flake.nix
+9
src/SparseSet.zig
+9
src/SparseSet.zig
···
138
138
const i = try list.insert("bad message");
139
139
_ = list.remove(i);
140
140
_ = try list.insert("it's a beautiful day");
141
+
142
+
const SliceIterator = @import("mitochondria").SliceIterator;
143
+
144
+
var iter = SliceIterator([]const u8).init(list.asSlice());
145
+
146
+
while (iter.next()) |item| {
147
+
std.debug.print("{s} ", .{item});
148
+
}
149
+
std.debug.print("\n", .{});
141
150
}
+20
-8
src/StringBuilder.zig
+20
-8
src/StringBuilder.zig
···
1
1
const std = @import("std");
2
-
const mem = std.mem;
3
2
const Allocator = std.mem.Allocator;
4
3
5
4
pub const StringBuilder = struct {
···
35
34
return str;
36
35
}
37
36
38
-
/// Reserve additional space for the string builder
39
-
pub fn reserveSpace(self: *Self, size: usize) !void {
37
+
/// Reserve additional space for the string builder or reduce its size.
38
+
pub fn resize(self: *Self, size: usize) !void {
40
39
if (size < self.capacity) {
40
+
self.capacity = size;
41
+
self.buf = try self.allocator.realloc(self.buf, self.capacity);
41
42
return;
42
43
}
43
44
44
-
const capacity = size * 2;
45
-
self.buf = try self.allocator.realloc(self.buf, capacity);
46
-
self.capacity = capacity;
45
+
self.capacity = size * 2;
46
+
self.buf = try self.allocator.realloc(self.buf, self.capacity);
47
47
}
48
48
49
49
/// Append a slice to the string builder
50
50
pub fn append(self: *Self, buf: []const u8) !void {
51
51
const new_size = self.size + buf.len;
52
-
try self.reserveSpace(new_size);
52
+
try self.resize(new_size);
53
53
54
54
const p = self.buf.ptr + self.ptr;
55
55
@memcpy(p, buf);
···
71
71
72
72
const orig_size = self.size;
73
73
const new_size = orig_size * n;
74
-
try self.reserveSpace(new_size);
74
+
try self.resize(new_size);
75
75
76
76
const tmpbuf = try self.allocator.alloc(u8, orig_size);
77
77
defer self.allocator.free(tmpbuf);
···
144
144
145
145
try std.testing.expectEqualStrings("", str);
146
146
}
147
+
148
+
test "simple" {
149
+
var sb = try StringBuilder.init(std.testing.allocator, 15);
150
+
defer sb.deinit();
151
+
try sb.append("Hello");
152
+
try sb.append(" World!");
153
+
154
+
const str = try sb.build(std.testing.allocator);
155
+
defer std.testing.allocator.free(str);
156
+
157
+
try std.testing.expectEqualStrings("Hello World!", str);
158
+
}