https://issues.dlang.org/show_bug.cgi?id=16351
Issue ID: 16351 Summary: Nonstandard output library causes no-argument writeln() to fail. Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: minor Priority: P1 Component: phobos Assignee: nob...@puremagic.com Reporter: andrew.benton...@gmail.com Created attachment 1605 --> https://issues.dlang.org/attachment.cgi?id=1605&action=edit Correction When using nonstandard output libraries such as https://github.com/sickill/stderred argumentless writeln() will fail on the enforce because it checks specifically for a new line to be returned. The error is resolved by following documentation for fputc and checking that output is not EOF, which indicates an error. --