https://issues.dlang.org/show_bug.cgi?id=14940
Issue ID: 14940 Summary: Can't call logger with more complex objects Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: enhancement Priority: P1 Component: phobos Assignee: nob...@puremagic.com Reporter: dmdtrac...@supradigital.org I can't call the logger with any more complex objects. It used to work in the older version in the dedicated repository before it was merged into phobos. Example code: import std.experimental.logger.filelogger; import std.typecons: Nullable; import std.stdio; void main ( ) { Nullable!int a = 1; auto l = new FileLogger(stdout); l.infof("log: %s", l); } Error: phobos/std/experimental/logger/core.d(1121): Error: safe function 'std.experimental.logger.core.Logger.memLogFunctions!cast(LogLevel)cast(ubyte)64u.logImplf!(11, "main.d", "main.main", "void main.main()", "main", FileLogger).logImplf' cannot call system function 'std.format.formattedWrite!(MsgRange, char, FileLogger).formattedWrite' main.d(11): Error: template instance std.experimental.logger.core.Logger.memLogFunctions!cast(LogLevel)cast(ubyte)64u.logImplf!(11, "main.d", "main.main", "void main.main()", "main", FileLogger) error instantiating --