iterators check seqs/strings are not resized during iteration
iterators check seqs/strings are not resized during iteration

JCavallo/Nim,reactormonk/nim,nimLuckyBull/Nim,kirbyfan64/Nim,russpowers/Nim,Salafit/Nim,dom96/Nim,douglas-larocca/Nim,kirbyfan64/Nim,gokr/Nim,MrJohz/Nim,nafsaka/Nim,greyanubis/Nim,mbaulch/Nim,russpowers/Nim,nanoant/Nim,kirbyfan64/Nim,jfhg/Nim,nimLuckyBull/Nim,gokr/Nim,msmith491/Nim,jsanjuas/Nim,judofyr/Nim,bvssvni/Nim,jfhg/Nim,jsanjuas/Nim,JCavallo/Nim,haiodo/Nim,BlaXpirit/nim,Dhertz/Nim,Senketsu/Nim,reactormonk/nim,tulayang/Nim,sferik/Nim,SSPkrolik/Nim,jsanjuas/Nim,haiodo/Nim,Dhertz/Nim,endragor/Nim,Matt14916/Nim,jsanjuas/Nim,reactormonk/nim,Matt14916/Nim,bvssvni/Nim,SSPkrolik/Nim,Dhertz/Nim,SSPkrolik/Nim,mbaulch/Nim,tmm1/Nim,sferik/Nim,xland/Nim,nanoant/Nim,sarvex/Nim-lang,nimLuckyBull/Nim,nafsaka/Nim,singularperturbation/Nim,reactormonk/nim,kirbyfan64/Nim,kirbyfan64/Nim,MrJohz/Nim,sarvex/Nim-lang,BlaXpirit/nim,tmm1/Nim,kirbyfan64/Nim,Dhertz/Nim,singularperturbation/Nim,singularperturbation/Nim,russpowers/Nim,Senketsu/Nim,Senketsu/Nim,haiodo/Nim,dom96/Nim,nanoant/Nim,mbaulch/Nim,msmith491/Nim,fredericksilva/Nim,nafsaka/Nim,singularperturbation/Nim,Salafit/Nim,zachaysan/Nim,dom96/Nim,sferik/Nim,judofyr/Nim,fmamud/Nim,russpowers/Nim,MrJohz/Nim,greyanubis/Nim,Matt14916/Nim,jfhg/Nim,msmith491/Nim,Senketsu/Nim,endragor/Nim,JCavallo/Nim,Dhertz/Nim,Matt14916/Nim,zachaysan/Nim,endragor/Nim,sarvex/Nim-lang,douglas-larocca/Nim,fmamud/Nim,msmith491/Nim,judofyr/Nim,SSPkrolik/Nim,SSPkrolik/Nim,haiodo/Nim,greyanubis/Nim,gokr/Nim,fredericksilva/Nim,tulayang/Nim,msmith491/Nim,gokr/Nim,SSPkrolik/Nim,tmm1/Nim,bvssvni/Nim,Matt14916/Nim,zachaysan/Nim,xland/Nim,sferik/Nim,msmith491/Nim,douglas-larocca/Nim,MrJohz/Nim,Salafit/Nim,jfhg/Nim,fmamud/Nim,judofyr/Nim,dom96/Nim,endragor/Nim,mbaulch/Nim,Senketsu/Nim,endragor/Nim,sarvex/Nim-lang,judofyr/Nim,nafsaka/Nim,msmith491/Nim,judofyr/Nim,BlaXpirit/nim,nafsaka/Nim,judofyr/Nim,nanoant/Nim,douglas-larocca/Nim,nafsaka/Nim,xland/Nim,douglas-larocca/Nim,fredericksilva/Nim,fredericksilva/Nim,endragor/Nim,MrJohz/Nim,singularperturbation/Nim,dom96/Nim,jsanjuas/Nim,haiodo/Nim,Dhertz/Nim,tmm1/Nim,sarvex/Nim-lang,jfhg/Nim,greyanubis/Nim,BlaXpirit/nim,greyanubis/Nim,nimLuckyBull/Nim,kirbyfan64/Nim,reactormonk/nim,Salafit/Nim,jsanjuas/Nim,BlaXpirit/nim,Matt14916/Nim,zachaysan/Nim,dom96/Nim,tmm1/Nim,gokr/Nim,reactormonk/nim,tulayang/Nim,fredericksilva/Nim,sferik/Nim,tulayang/Nim,JCavallo/Nim,reactormonk/nim,JCavallo/Nim,MrJohz/Nim,fmamud/Nim,BlaXpirit/nim,Senketsu/Nim,haiodo/Nim,xland/Nim,bvssvni/Nim,gokr/Nim,fmamud/Nim,judofyr/Nim,xland/Nim,dom96/Nim,singularperturbation/Nim,douglas-larocca/Nim,xland/Nim,bvssvni/Nim,haiodo/Nim,douglas-larocca/Nim,greyanubis/Nim,kirbyfan64/Nim,nanoant/Nim,gokr/Nim,russpowers/Nim,BlaXpirit/nim,fredericksilva/Nim,singularperturbation/Nim,MrJohz/Nim,bvssvni/Nim,JCavallo/Nim,jfhg/Nim,Dhertz/Nim,fmamud/Nim,mbaulch/Nim,jsanjuas/Nim,bvssvni/Nim,nanoant/Nim,JCavallo/Nim,endragor/Nim,gokr/Nim,jfhg/Nim,nafsaka/Nim,reactormonk/nim,russpowers/Nim,russpowers/Nim,xland/Nim,SSPkrolik/Nim,SSPkrolik/Nim,fredericksilva/Nim,nimLuckyBull/Nim,zachaysan/Nim,nimLuckyBull/Nim,greyanubis/Nim,douglas-larocca/Nim,sarvex/Nim-lang,sferik/Nim,fmamud/Nim,sferik/Nim,sferik/Nim,zachaysan/Nim,nimLuckyBull/Nim,mbaulch/Nim,BlaXpirit/nim,nanoant/Nim,sarvex/Nim-lang,fredericksilva/Nim,Salafit/Nim,Matt14916/Nim,tulayang/Nim,Salafit/Nim,tulayang/Nim,zachaysan/Nim,tmm1/Nim,mbaulch/Nim,Salafit/Nim,Senketsu/Nim,tmm1/Nim