This question was answered by Armin Ronacher three days ago.[0]
"Why for instance is it not a good idea to write a library in Go? The reason for this is that Go for needs quite a heavy runtime that does garbage collection and provides a scheduler for it's coroutines."
"Why for instance is it not a good idea to write a library in Go? The reason for this is that Go for needs quite a heavy runtime that does garbage collection and provides a scheduler for it's coroutines."
[0] http://lucumr.pocoo.org/2013/8/18/beautiful-native-libraries...