// to mapinit symbols that are no longer reachable. It rewrites
// the relocs to target a new no-op routine in the runtime.
func (d *deadcodePass) mapinitcleanup() {
	for _, idx := range d.pkginits {
		relocs := d.ldr.Relocs(idx)
		var su *loader.SymbolBuilder
		for i := 0; i < relocs.Count(); i++ {
			r := relocs.At(i)
			rs := r.Sym()
			if r.Weak() && r.Type().IsDirectCall() && !d.ldr.AttrReachable(rs) {

func (st *relocSymState) relocsym(s loader.Sym, P []byte) {
	ldr := st.ldr
	relocs := ldr.Relocs(s)
	if relocs.Count() == 0 {
		return
	}
	target := st.target
	syms := st.syms
	nExtReloc := 0 // number of external relocations
	for ri := 0; ri < relocs.Count(); ri++ {
		r := relocs.At(ri)
		off := r.Off()
		siz := int32(r.Siz())
		rs := r.Sym()
		rt := r.Type()
		weak := r.Weak()

'FastAPI lambda container: serverless simplified' - author: Teresa N. Fontanella De Santis author_link: https://dev.to/ link: https://dev.to/teresafds/authorization-on-fastapi-with-casbin-41og title: Authorization on FastAPI with Casbin - author: New Relic author_link: https://newrelic.com link: https://newrelic.com/instant-observability/fastapi/e559ec64-f765-4470-a15f-1901fcebb468 title: How to monitor FastAPI application performance using Python agent - author: Jean-Baptiste Rocher author_link: ht...

* Make Swagger UI and ReDoc route handlers (*path operations*) be `async` functions instead of lambdas to improve performance. PR [#241](https://github.com/tiangolo/fastapi/pull/241) by [@Trim21](https://github.com/Trim21).