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Str joinPlain(Array<Str> src) {
StrBuf out;
out << join(src);
out.toS;
}
Str joinSep(Array<Str> src) {
StrBuf out;
out << join(src, ", ");
out.toS;
}
Str joinTfm(Array<Str> src) {
StrBuf out;
out << join(src, (x) => "test-" + x);
// Two of these have been problematic historically (lambdas generate a null, which the join
// corrects, thus generating multiple instances of the join function.
out << join(src, (x) => "test2-" + x);
out.toS;
}
Str joinTfmSep(Array<Str> src) {
StrBuf out;
out << join(src, ", ", (x) => "test-" + x);
// Two of these have been problematic historically (lambdas generate a null, which the join
// corrects, thus generating multiple instances of the join function.
out << join(src, ", ", (x) => "test2-" + x);
out.toS;
}
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