Go Data Structures: Interfaces Posted on Tuesday, December 1, 2009. Go's interfaces—static, checked at compile time, dynamic when asked for—are, for me, the most exciting part of Go from a language design point of view. If I could export one feature of Go into other languages, it would be interfaces. This post is my take on the implementation of interface values in the “gc” compilers: 6g, 8g, and 5g. Over at Airs, Ian Lance Taylor has written two posts about the implementation of interface value...