WIP: Lwtreslib: max-concurrency parameter to parallel functions
Context
Part of !1872 (closed)
On top of !2642 (merged)
Manually testing the MR
dune runtest src/lib_lwt_result_stdlib/
Checklist
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Document the interface of any function added or modified (see the coding guidelines) -
Document any change to the user interface, including configuration parameters (see node configuration) -
Provide automatic testing (see the testing guide). -
For new features and bug fixes, add an item in the appropriate changelog ( docs/protocols/alpha.rstfor the protocol and the environment, theDevelopment Versionsection ofCHANGES.mdfor everything else). -
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