execute a list of requests concurrently
execute a list of requests concurrently
the requests to execute concurrently. the ordering of the list does not determine any order or execution, but the ordering of (HttpRequest, HttpResponse) pairs will match the ordering of the HttpRequests passed in
an IO representing a list of each request, and a promise representing its response
run a series of requests in sequence (ie: next one begins executing when the previous one completes).
run a series of requests in sequence (ie: next one begins executing when the previous one completes).
the requests to execute, in order of execution
a list of requests and the futures representing their response. each represented future after the first will begin executing when the previous future has completed