From 961eb417d1312fce53c8c1f0276d92eadb5c7ff8 Mon Sep 17 00:00:00 2001
From: Per Gustafsson <per.gustafsson@kivra.com>
Date: Mon, 15 Jul 2024 14:26:22 +0200
Subject: [PATCH] fix: extra maybes

---
 src/s2_loop.erl  | 2 +-
 src/s2_procs.erl | 2 +-
 src/s2_sh.erl    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/s2_loop.erl b/src/s2_loop.erl
index 71edeb0..58b1638 100644
--- a/src/s2_loop.erl
+++ b/src/s2_loop.erl
@@ -56,7 +56,7 @@ for_test() ->
 -endif.
 
 
--spec retry(fun()) -> maybe(_, _).
+-spec retry(fun()) -> 'maybe'(_, _).
 %% @doc Call F every T milliseconds until it returns ok.
 %% Abort after N retries unless N is infinity.
 %% Note that F is called at least once.
diff --git a/src/s2_procs.erl b/src/s2_procs.erl
index ec6c542..edb1486 100644
--- a/src/s2_procs.erl
+++ b/src/s2_procs.erl
@@ -154,7 +154,7 @@ send(Proc, Msg0) ->
     {'EXIT', {badarg, _}} -> {error, no_such_process}
   end.
 
--spec recv(proc()) -> maybe(_, _).
+-spec recv(proc()) -> 'maybe'(_, _).
 %% @doc recv(Proc) is the next message received from Proc.
 recv(Proc) ->
   recv(Proc, infinity).
diff --git a/src/s2_sh.erl b/src/s2_sh.erl
index 1f6e219..49ef668 100644
--- a/src/s2_sh.erl
+++ b/src/s2_sh.erl
@@ -193,7 +193,7 @@ temp_name_test()       -> "/tmp/prefix" ++ N = temp_name("/tmp", "prefix"),
 eval(Fmt, Args) ->
   eval(lists:flatten(io_lib:format(Fmt, Args))).
 
--spec eval(string()) -> maybe(string(), {non_neg_integer(), string()}).
+-spec eval(string()) -> 'maybe'(string(), {non_neg_integer(), string()}).
 eval(Cmd) ->
   s2_fs:with_temp_file(fun(F) ->
     S0         = os:cmd(io_lib:format("~s > ~s 2>&1; echo $?", [Cmd, F])),