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DAA and 'out' parameters (#20506)

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* DAA and 'out' parameters

* progress

* documented strictDefs and out parameters

* docs, tests and a bugfix

* fixes silly regression
This commit is contained in:
Andreas Rumpf 2022-10-06 17:08:41 +02:00 • committed by GitHub
commit 0d23419e68
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17 changed files with 289 additions and 53 deletions
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compiler/parser.nim
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@ -1340,10 +1340,7 @@ proc primary(p: var Parser, mode: PrimaryMode): PNode =
optInd(p, result)
result.add(primary(p, pmNormal))
of tkVar: result = parseTypeDescKAux(p, nkVarTy, mode)
of tkOut:
# I like this parser extension to be in 1.4 as it still might turn out
# useful in the long run.
result = parseTypeDescKAux(p, nkMutableTy, mode)
of tkOut: result = parseTypeDescKAux(p, nkOutTy, mode)
of tkRef: result = parseTypeDescKAux(p, nkRefTy, mode)
of tkPtr: result = parseTypeDescKAux(p, nkPtrTy, mode)
of tkDistinct: result = parseTypeDescKAux(p, nkDistinctTy, mode)