Populate accepts any number of go-kit request functions and returns an Alice-style constructor that uses the request functions to build a context.

SetClient is a ContextFunc strategy that injects a supplied HTTP client into the HTTP context.

SetContext associates a context with a response.

SetErrorEncoder is a ContextFunc strategy that injects a go-kit ErrorEncoder into the HTTP request context.

WithContext associates a context with the response/request pair that can later be accessed via the Context function.

ContextAware is an optional mixin implemented by anything with can hold a context.