An asynchronous version of Elixir's 'with' that resolves dependency graphs and executes clauses for optimal performance.
AsyncWith is an Elixir library that provides an asynchronous version of the `with` special form. It enables concurrent execution of multiple pattern-matching clauses by automatically resolving dependencies between them and spawning tasks for parallel processing. This solves the problem of sequential execution in standard `with` blocks, allowing developers to write more performant concurrent code while maintaining Elixir's familiar pattern-matching semantics.
Elixir developers who use `with` expressions extensively and want to improve performance through concurrency, particularly those building applications with independent operations that can be executed in parallel.
Developers choose AsyncWith because it seamlessly extends Elixir's beloved `with` syntax with automatic concurrency, requiring minimal code changes while providing significant performance gains through intelligent dependency analysis and task parallelization.
The asynchronous version of Elixir's "with", resolving the dependency graph and executing the clauses in the most performant way possible!
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Analyzes variable dependencies between clauses to spawn tasks optimally, maximizing parallelism without manual ordering.
Simply add 'async' to 'with' with minimal code changes, preserving Elixir's familiar pattern-matching semantics.
Early termination shuts down running tasks if a clause fails, preventing unnecessary work and saving resources.
Supports guards and else blocks just like standard with, maintaining expressive error handling in concurrent contexts.
Order-dependent clauses without explicit variable dependencies can lead to unpredictable behavior, as noted in the README with agent updates.
Requires adjustments to .formatter.exs or manual setup to avoid parentheses in async with calls, adding initial complexity.
For simple with blocks with few dependencies, the overhead of task spawning may not justify performance gains.
Adds reliance on a third-party library for core functionality, which could introduce breaking changes or compatibility issues over time.