// forgets.
	c.entries.Range(func(key any, value any) bool {
		e := value.(*entry)
		if e.expiration <= n {
			c.entries.Delete(key)
			c.callback(key, value.(*entry).value)
			// Note: can miscount if the key was removed before it was evicted
			atomic.AddUint64(&c.stats.Evictions, 1)
		}
		return true
	})
}

func (c *ttlCache) EvictExpired() {
	c.evictExpired(time.Now())
}

			r := mkcallstmt("selectsetpc", typecheck.NodAddr(ir.NewIndexExpr(base.Pos, pcs, ir.NewInt(base.Pos, int64(i)))))
			init = append(init, r)
		}
	}
	if nsends+nrecvs != ncas {
		base.Fatalf("walkSelectCases: miscount: %v + %v != %v", nsends, nrecvs, ncas)
	}

	// run the select
	base.Pos = sellineno
	chosen := typecheck.TempAt(base.Pos, ir.CurFunc, types.Types[types.TINT])