{
import std.stdio;
auto set = unicode("Number");
auto trie = codepointSetTrie!(8, 5, 8)(set);
writeln("Input code points to test:");
foreach (line; stdin.byLine)
{
int count=0;
foreach (dchar ch; line)
if (trie[ch])// is number
count++;
writefln("Contains %d number code points.", count);
}
}toTrie, which is even simpler.
A shorthand for creating a custom multi-level fixed Trie from a CodepointSet. sizes are numbers of bits per level, with the most significant bits used first.
Note: The sum of sizes must be equal 21.