[#470] Unpacking/decoding of right-combed pair types

Description

This MR adds these two things:

• Ability to parse right-combed types (e.g. pair int nat string) from all 3 formats (binary, micheline, michelson)
• Ability to parse right-combed values (e.g. Pair 1 2 "a") from the michelson format (the other 2 formats were already implemented in !753 (merged))

Related issue(s)

Resolves part of #470 (closed)

Checklist for your Merge Request

Related changes (conditional)

• Tests (see short guidelines)

  • If I added new functionality, I added tests covering it.
  • If I fixed a bug, I added a regression test to prevent the bug from silently reappearing again.

• Documentation

  • I checked whether I should update the docs and did so if necessary:
    • Root README and other README.md files
    • Haddock
    • docs/
  • I updated changelog files of all affected packages released to Hackage if my changes are externally visible.

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• My code complies with the style guide.

approved this merge request

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• ed75d238 - [#470 (closed)] Added parsing of right-combed values

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• 330874a0 - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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marked this merge request as draft from 330874a0

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• 377360a5 - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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• 3771d954 - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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• fbbe6eb1 - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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• 19f2bcd7 - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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• 79de65a7 - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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mentioned in issue #470 (closed)

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• 5503b475 - [#470 (closed)] Update reference typechecking job

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• 94d5a690 - fixup! [#470 (closed)] Update reference typechecking job

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@diogo.castro, CI passes now

Awesome, thank you :D

marked this merge request as ready

LGTM, have only one minor suggestion

approved this merge request

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• b6f571ae - fixup! [#470 (closed)] Added unpacking/parsing of right-comped pair types

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marked this merge request as draft from b6f571ae

marked this merge request as ready