github.com/neugram/ng@v0.0.0-20180309130942-d472ff93d872/eval/testdata/typeassert_error.ng (about) 1 import "io" 2 3 func isSectionReader(w io.Writer) bool { 4 _, ok := w.(*io.SectionReader) // ERROR: does not implement interface 5 return ok 6 }