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Usage
import * as observablesWithStreams from"https://raw.githubusercontent.com/surma/observables-with-streams/28c55be6d855780c677fd1f4ba975f4d3144891d/src/transforms/for-each.ts";
Calls a function for each item emitted by an observable without
waiting for the function to return to forward the item.
Exceptions thrown by the function will be caught and ignored.