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new-style concepts implementation, WIP (#15251)

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* 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
commit 6278b5d89a
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19 changed files with 528 additions and 59 deletions
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compiler/vmdeps.nim
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@ -299,7 +299,9 @@ proc mapTypeToAstX(cache: IdentCache; t: PType; info: TLineInfo;
if t.n != nil:
result.add t.n.copyTree
of tyOwned: result = mapTypeToBracket("owned", mBuiltinType, t, info)
of tyOptDeprecated: doAssert false
of tyConcept:
result = mapTypeToBracket("concept", mNone, t, info)
result.add t.n.copyTree
proc opMapTypeToAst*(cache: IdentCache; t: PType; info: TLineInfo; idgen: IdGenerator): PNode =
result = mapTypeToAstX(cache, t, info, idgen, inst=false, allowRecursionX=true)