new-style concepts implementation, WIP (#15251)

* fixes #15210 [backport:1.2]

* make tests green
* make ordinal work
* makes Swapable test compile
* make Indexable example work
* concepts: 'self' is now 'Self'
* concepts: make Dictionary example compile
* document the new concept implementation
* concepts: make typeDesc work properly
* concepts: allow documentation comments (d'oh)
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Andreas Rumpf 2021-02-24 13:17:33 +01:00 • committed by GitHub
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19 changed files with 528 additions and 59 deletions

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@ -397,7 +397,7 @@ block misc_issues:
echo p2.x is float and p2.y is float # true
# https://github.com/nim-lang/Nim/issues/2018
type ProtocolFollower = concept
type ProtocolFollower = concept c
true # not a particularly involved protocol
type ImplementorA = object