```d
void main() {
import std.string : split;
import std.algorithm.searching : startsWith;
string bk="Exo";
assert(("Gen Exo Lev Num Deu Jos Judg Rut 1Sam 2Sam".split~
"1Kin 2Kin 1Chr 2Chr Ezra Neh Est Job Psa Pro Ecc Son
Isa Jer".split~
"Lam Eze Dan Hos Joel Amos Oba Jon Mic Nah Hab Zep
Hag Zec".split~
"Mal Mat Mar Luk Joh Act Rom 1Cor 2Cor Gal Eph Phili
Col".split~
"1The 2The Titu Phile Heb Jam 1Pet 2Pet 1Joh 2Joh 3Joh
Jude Rev".split)
.startsWith(bk));
}
```
Why doesn't this work? canFind works though.
