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deprecate do: meaning do (): + misc cleanup (#20927)

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* test disable do: block lambda lifting

* fix last test [skip ci]

* deprecate `do:` meaning `do ():` + misc cleanup

closes https://github.com/nim-lang/RFCs/issues/486

* oops

* fix

* no idea what could be causing nimsuggest failure other than this

* ensure ci works
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metagn 2022-12-06 11:44:26 +03:00 • committed by GitHub
commit 6d8cf25bd7
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13 changed files with 42 additions and 65 deletions
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2
compiler/sigmatch.nim
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@ -2189,6 +2189,8 @@ proc paramTypesMatchAux(m: var TCandidate, f, a: PType,
return arg
elif a.kind == tyVoid and f.matchesVoidProc and argOrig.kind == nkStmtList:
# lift do blocks without params to lambdas
# now deprecated
message(c.config, argOrig.info, warnStmtListLambda)
let p = c.graph
let lifted = c.semExpr(c, newProcNode(nkDo, argOrig.info, body = argOrig,
params = nkFormalParams.newTree(p.emptyNode), name = p.emptyNode, pattern = p.emptyNode,