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feat: nested do parser

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Leonardo de Moura 2020-10-15 17:04:35 -07:00
parent 60e4f4fee1
commit 14414e3400
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src/Lean/Parser/Do.lean
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@ -95,6 +95,7 @@ Note that parser priorities would not solve this problem since the `doIf` parser
parser is succeeding.
-/
@[builtinDoElemParser] def doExpr := parser! notFollowedByRedefinedTermToken >> termParser
@[builtinDoElemParser] def doNested := parser! "do " >> doSeq
@[builtinTermParser] def «do» := parser!:maxPrec "do " >> doSeq