How do I (succinctly) remove the first element from a slice in Go?

Did you try these?

Pop from queue

x, a = a[0], a[1:]

Pop from stack

x, a = a[len(a)-1], a[:len(a)-1]

Push

a = append(a, x)

From: https://code.google.com/p/go-wiki/wiki/SliceTricks