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Fix first character always getting parser applied before stop

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This commit is contained in:
Florian Schroedl
2022-01-20 17:00:00 +01:00
parent 81dbdd8d69
commit acbb5387cd
1 changed files with 1 additions and 1 deletions
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src/parser/parser.nim
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@@ -279,7 +279,7 @@ func optional*(parserFn: Parser -> ParserResult): (Parser -> ParserResult) {.inl
func manyUntil*(acceptFn: Parser -> ParserResult, stopFn: Parser -> ParserResult): (Parser -> ParserResult) {.inline.} = func manyUntil*(acceptFn: Parser -> ParserResult, stopFn: Parser -> ParserResult): (Parser -> ParserResult) {.inline.} =
## Parse characters but throw success tokens away ## Parse characters but throw success tokens away
return proc(parser: Parser): ParserResult = return proc(parser: Parser): ParserResult =
var res: ParserResult = acceptFn(parser) var res: ParserResult = parser.ok()
while res.isOk() and res.flatMap(stopFn).isErr(): while res.isOk() and res.flatMap(stopFn).isErr():
res = res.flatMap(acceptFn) res = res.flatMap(acceptFn)
return res return res