If you're creating a new ~T in a loop, it will be freed after each iteration of the loop (ie, when the block ends). Witness for yourself: https://gist.github.co

If you're creating a new ~T in a loop, it will be freed after each iteration of the loop (ie, when the block ends). Witness for yourself: https://gist.github.com/cmr/f80c0a58e5b90021bb35 https://gist.github.com/cmr/f80c0a58e5b90021bb35