Nothing breaks, the library module has to have a module name. \lib\blah.d: module lib.blah;
\blah.d: module blah; import lib.blah; void main() { } $ rdmd blah.d works fine.
Nothing breaks, the library module has to have a module name. \lib\blah.d: module lib.blah;
\blah.d: module blah; import lib.blah; void main() { } $ rdmd blah.d works fine.