
melston
Programming Elixir > 1.6 (page 167)
After following the instructions pretty successfully up to this point I find I can’t do a mix docs
with the configuration given. I’m not sure what to do to get Earmark to work in this case.
When I ran mix docs
as shown on page 167 I got the following:
Generating docs...
** (FunctionClauseError) no function clause matching in EarmarkParser.Helpers.LookaheadHelpers.has_still_opening_backtix/2
The following arguments were given to EarmarkParser.Helpers.LookaheadHelpers.has_still_opening_backtix/2:
# 1
[verbatim: "Handle the command line parsing and the dispatch to"]
# 2
nil
Attempted function clauses (showing 8 out of 8):
defp has_still_opening_backtix(-[]-, -:force_outside-)
defp has_still_opening_backtix(-[]-, +open+)
defp has_still_opening_backtix(-[{:other, _} | rest]-, +nil+)
defp has_still_opening_backtix(-[{:backtix, btx} | rest]-, +nil+)
defp has_still_opening_backtix(-[{:escape, _} | rest]-, +nil+)
defp has_still_opening_backtix(+[_ | rest]+, -:force_outside-)
defp has_still_opening_backtix(-[{:backtix, btx} | rest]-, -open = {_, openedbtx}-)
defp has_still_opening_backtix(+[_ | rest]+, -open = {_, _}-)
(earmark_parser 1.4.12) lib/earmark_parser/helpers/lookahead_helpers.ex:45: EarmarkParser.Helpers.LookaheadHelpers.has_still_opening_backtix/2
(earmark_parser 1.4.12) lib/earmark_parser/helpers/lookahead_helpers.ex:17: EarmarkParser.Helpers.LookaheadHelpers.opens_inline_code/1
(earmark_parser 1.4.12) lib/earmark_parser/parser.ex:531: EarmarkParser.Parser._inline_or_text?/2
(earmark_parser 1.4.12) lib/earmark_parser/parser.ex:359: EarmarkParser.Parser._consolidate_para/3
(earmark_parser 1.4.12) lib/earmark_parser/parser.ex:165: EarmarkParser.Parser._parse/4
(earmark_parser 1.4.12) lib/earmark_parser/parser.ex:66: EarmarkParser.Parser.lines_to_blocks/3
(earmark_parser 1.4.12) lib/earmark_parser/parser.ex:60: EarmarkParser.Parser.parse_lines/3
(earmark_parser 1.4.12) lib/earmark_parser/parser.ex:26: EarmarkParser.Parser.parse_markdown/2
I tried updating to the latest version of Earmark available but got the following when running mix docs
:
...
== Compilation error in file lib/Issues/github_Issues.ex ==
** (Protocol.UndefinedError) protocol Enumerable not implemented for :info of type Atom
(elixir 1.11.2) lib/enum.ex:1: Enumerable.impl_for!/1
(elixir 1.11.2) lib/enum.ex:141: Enumerable.reduce/3
(elixir 1.11.2) lib/enum.ex:369: Enum.any?/2
(logger 1.11.2) lib/logger.ex:1020: Logger.macro_log/4
(logger 1.11.2) expanding macro: Logger.info/1
lib/Issues/github_Issues.ex:11: Issues.GithubIssues.fetch/2
I can eliminate the last set of errors by commenting out the calls to Logger.debug
and Logger.info
.
First Post!

faust
Hi, I know it’s a bit late to answer this, but I hope it might help someone else who faces the same situation.
I had the same problem, and the solution was to update the docs library.
I guess the ones in the book aren’t compatible with newer Elixir versions.
I ended up using:
{:ex_doc, "~> 0.29.1"},
{:earmark, "~> 1.4.33"},
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