feat: enable non-'static where possible #765
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Motivation
Currently, many tower service wrappers and layers are limited to working with
'static
types, which limits its usefulness when working with non-static
ally borrowed things to and from scoped tasks (e.g.async-scoped
).Solution
Remove the
'static
restrictions where possible, mostly by introducing lifetime parameters.This change excludes
Buffer
andBufferLayer
which are more difficult to make non-'static
.This PR replaces #732