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This gem as just sitting in Tonic waiting to be upstreamed.

@davidpdrsn davidpdrsn added C-enhancement Category: A PR with an enhancement or a proposed on in an issue. A-builder Area: Tower's service builder labels Feb 13, 2021
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lovely, thank you!

/// Add a [`Layer`] built from a function that accepts a service and returns another service.
///
/// See the documentation for [`layer_fn`] for more details.
///
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nit/TIOLI: an example might be nice, but the link to layer_fn is probably sufficient...

@davidpdrsn davidpdrsn merged commit 9948f25 into master Feb 25, 2021
@davidpdrsn davidpdrsn deleted the david/builder-layer-fn branch February 25, 2021 21:33
hawkw added a commit that referenced this pull request Feb 27, 2021
Deprecated

- **util**: Deprecated `ServiceExt::ready_and` (renamed to
  `ServiceExt::ready`). ([#567])
- **util**: Deprecated `ReadyAnd` future (renamed to `Ready`). ([#567])

Added

- **builder**: Add `ServiceBuilder::layer_fn` to add a layer built from
  a function. ([#560])
- **builder**: Add `ServiceBuilder::map_future` for transforming the
  futures produced by a service. ([#559])
- **builder**: Add `ServiceBuilder::service_fn` for applying `Layer`s to
  an async function using `util::service_fn`. ([#564])
- **util**: Add example for `service_fn`. ([#563])
- **util**: Add `BoxLayer` for creating boxed `Layer` trait objects.
  ([#569])

[#567]: #567
[#560]: #560
[#559]: #559
[#564]: #564
[#563]: #563
[#569]: #569
davidpdrsn pushed a commit that referenced this pull request Feb 27, 2021
Deprecated

- **util**: Deprecated `ServiceExt::ready_and` (renamed to
  `ServiceExt::ready`). ([#567])
- **util**: Deprecated `ReadyAnd` future (renamed to `Ready`). ([#567])

Added

- **builder**: Add `ServiceBuilder::layer_fn` to add a layer built from
  a function. ([#560])
- **builder**: Add `ServiceBuilder::map_future` for transforming the
  futures produced by a service. ([#559])
- **builder**: Add `ServiceBuilder::service_fn` for applying `Layer`s to
  an async function using `util::service_fn`. ([#564])
- **util**: Add example for `service_fn`. ([#563])
- **util**: Add `BoxLayer` for creating boxed `Layer` trait objects.
  ([#569])

[#567]: #567
[#560]: #560
[#559]: #559
[#564]: #564
[#563]: #563
[#569]: #569
hawkw added a commit that referenced this pull request Mar 1, 2021
Deprecated

- **util**: Deprecated `ServiceExt::ready_and` (renamed to
  `ServiceExt::ready`). ([#567])
- **util**: Deprecated `ReadyAnd` future (renamed to `Ready`). ([#567])

Added

- **builder**: Add `ServiceBuilder::layer_fn` to add a layer built from
  a function. ([#560])
- **builder**: Add `ServiceBuilder::map_future` for transforming the
  futures produced by a service. ([#559])
- **builder**: Add `ServiceBuilder::service_fn` for applying `Layer`s to
  an async function using `util::service_fn`. ([#564])
- **util**: Add example for `service_fn`. ([#563])
- **util**: Add `BoxLayer` for creating boxed `Layer` trait objects.
  ([#569])

[#567]: #567
[#560]: #560
[#559]: #559
[#564]: #564
[#563]: #563
[#569]: #569

Signed-off-by: Eliza Weisman <eliza@buoyant.io>
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2 participants