Utf8View iterates the code points of a utf-8 encoded string.
var utf8 = (try std.unicode.Utf8View.init("hi there")).iterator();
while (utf8.nextCodepointSlice()) |codepoint| {
std.debug.print("got codepoint {s}\n", .{codepoint});
}
bytes: []const u8pub fn init(s: []const u8) !Utf8Views: []const u8pub fn init(s: []const u8) !Utf8View {
if (!utf8ValidateSlice(s)) {
return error.InvalidUtf8;
}
return initUnchecked(s);
}pub inline fn initComptime(comptime s: []const u8) Utf8Views: []const u8pub fn iterator(s: Utf8View) Utf8Iterators: Utf8Viewpub fn iterator(s: Utf8View) Utf8Iterator {
return Utf8Iterator{
.bytes = s.bytes,
.i = 0,
};
}pub const Utf8View = struct {
bytes: []const u8,
pub fn init(s: []const u8) !Utf8View {
if (!utf8ValidateSlice(s)) {
return error.InvalidUtf8;
}
return initUnchecked(s);
}
pub fn initUnchecked(s: []const u8) Utf8View {
return Utf8View{ .bytes = s };
}
pub inline fn initComptime(comptime s: []const u8) Utf8View {
return comptime if (init(s)) |r| r else |err| switch (err) {
error.InvalidUtf8 => {
@compileError("invalid utf8");
},
};
}
pub fn iterator(s: Utf8View) Utf8Iterator {
return Utf8Iterator{
.bytes = s.bytes,
.i = 0,
};
}
}