seq <- rep("hg18.chr6", 10)
src <- rep("fake_example", 10)
feature <- rep("CDS", 10)
start <- seq(1, 100, by=10)
end <- seq(10, 100, by=10)
f1 <- feat(seq, src, feature, start, end)
dim(f1)
dim.feat(f1)
f2 <- as.pointer.feat(f1)
dim(f2)
dim.feat(f2)
