lazy-parser-repro.roc

# create this file at <roc-repo-root>/examples/parser/repro.roc
# run
# $ cd <roc-repo-root> && roc examples/parser/repro.roc
#

app "lazy-parser-repro"
    packages { pf: "platform/main.roc" }
    imports [
        Parser.Core.{ Parser, map, lazy},
        Parser.Str.{ parseStr, RawStr }
    ]
    provides [main] to pf

a: Parser RawStr Str
a = lazy (\{} -> b) 
    |> map (\_ -> "")

b: Parser RawStr Str
b = a

main: Str
main = 
    parseStr a ""
    |> (Result.withDefault  "err")