Issues

• Json parsers in Attoparsec vs Megaparsec benchmark are not optimal?

  mrkkrp/megaparsec#609 · Filter by author Lev135 opened on Jul 17, 2026

• Add a generic compound stream type to simplify custom token stream handling

  mrkkrp/megaparsec#608 · Filter by author Lev135 opened on Jul 11, 2026
  3

• Add Unicode Property Parser in Text.Megaparsec.Char module

  feature-request
  mrkkrp/megaparsec#588 · Filter by author Pagwin2 opened on Dec 27, 2025
  3

• IndentOpt Existential Type

  feature-request
  mrkkrp/megaparsec#565 · Filter by author eayus opened on Jul 23, 2024
  1

• How to make a recoverable indentation block parser

  question
  mrkkrp/megaparsec#561 · Filter by author bingis-khan opened on May 19, 2024
  1

• [Question] How to propagate line number from lexer to parser

  question
  mrkkrp/megaparsec#560 · Filter by author leana8959 opened on May 17, 2024
  1

• Parsing hexadecimal floats

  feature-request
  mrkkrp/megaparsec#554 · Filter by author gabrielsimoes opened on Feb 24, 2024
  1

• Error context with additional source positions

  question
  mrkkrp/megaparsec#552 · Filter by author JakeWheat opened on Feb 7, 2024
  4

• Add drop to Text.Megaparsec

  feature-request
  mrkkrp/megaparsec#540 · Filter by author sol opened on Aug 9, 2023
  3

• Indentation error lost in alternative

  feature-requestquestion
  mrkkrp/megaparsec#527 · Filter by author Lev135 opened on May 29, 2023
  3

• MonadAccum instance for ParsecT

  feature-request
  mrkkrp/megaparsec#522 · Filter by author olafklinke opened on Mar 30, 2023
  5

• Problematic IsString instance

  feature-request
  mrkkrp/megaparsec#515 · Filter by author j-mie6 opened on Mar 2, 2023
  4

• Greedy combinators

  question
  mrkkrp/megaparsec#513 · Filter by author bristermitten opened on Feb 17, 2023
  11

• Allow users to print binary input stream in hexadecimal format

  feature-request
  mrkkrp/megaparsec#465 · Filter by author mrkkrp opened on Aug 15, 2021

• How to report "lexical" errors?

  feature-requestquestion
  mrkkrp/megaparsec#387 · Filter by author banacorn opened on Nov 26, 2019
  3