case *CommClause:
			if l := lastStmt(n.Body); l != nil {
				m = l
				continue
			}
			return n.Colon

		default:
			return n.Pos()
		}
	}
}

func lastDecl(list []Decl) Decl {
	if l := len(list); l > 0 {
		return list[l-1]
	}
	return nil
}

func lastExpr(list []Expr) Expr {
	if l := len(list); l > 0 {
		return list[l-1]
	}
	return nil
}

		case ir.PPARAMOUT:
			s.decladdrs[n] = s.entryNewValue2A(ssa.OpLocalAddr, types.NewPtr(n.Type()), n, s.sp, s.startmem)
		case ir.PAUTO:
			// processed at each use, to prevent Addr coming
			// before the decl.
		default:
			s.Fatalf("local variable with class %v unimplemented", n.Class)
		}
	}

	s.f.OwnAux = ssa.OwnAuxCall(fn.LSym, params)

	// Populate SSAable arguments.
	for _, n := range fn.Dcl {

* Update example upgrade in docs main page. PR [#795](https://github.com/tiangolo/fastapi/pull/795) by [@cdeil](https://github.com/cdeil).
* Fix callback handling for sub-routers. PR [#792](https://github.com/tiangolo/fastapi/pull/792) by [@jekirl](https://github.com/jekirl).