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gleam_stdlib
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retired
A standard library for the Gleam programming language
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Files
src/gleam@result.erl
-module(gleam@result).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-export([is_ok/1, is_error/1, map/2, map_error/2, flatten/1, 'try'/2, then/2, unwrap/2, lazy_unwrap/2, unwrap_error/2, unwrap_both/1, nil_error/1, 'or'/2, lazy_or/2, all/1, partition/1, replace/2, replace_error/2, values/1, try_recover/2]).
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 20).
-spec is_ok({ok, any()} | {error, any()}) -> boolean().
is_ok(Result) ->
case Result of
{error, _} ->
false;
{ok, _} ->
true
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 41).
-spec is_error({ok, any()} | {error, any()}) -> boolean().
is_error(Result) ->
case Result of
{ok, _} ->
false;
{error, _} ->
true
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 66).
-spec map({ok, BXE} | {error, BXF}, fun((BXE) -> BXI)) -> {ok, BXI} |
{error, BXF}.
map(Result, Fun) ->
case Result of
{ok, X} ->
{ok, Fun(X)};
{error, E} ->
{error, E}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 91).
-spec map_error({ok, BXL} | {error, BXM}, fun((BXM) -> BXP)) -> {ok, BXL} |
{error, BXP}.
map_error(Result, Fun) ->
case Result of
{ok, X} ->
{ok, X};
{error, Error} ->
{error, Fun(Error)}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 120).
-spec flatten({ok, {ok, BXS} | {error, BXT}} | {error, BXT}) -> {ok, BXS} |
{error, BXT}.
flatten(Result) ->
case Result of
{ok, X} ->
X;
{error, Error} ->
{error, Error}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 158).
-spec 'try'({ok, BYA} | {error, BYB}, fun((BYA) -> {ok, BYE} | {error, BYB})) -> {ok,
BYE} |
{error, BYB}.
'try'(Result, Fun) ->
case Result of
{ok, X} ->
Fun(X);
{error, E} ->
{error, E}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 170).
-spec then({ok, BYJ} | {error, BYK}, fun((BYJ) -> {ok, BYN} | {error, BYK})) -> {ok,
BYN} |
{error, BYK}.
then(Result, Fun) ->
'try'(Result, Fun).
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 192).
-spec unwrap({ok, BYS} | {error, any()}, BYS) -> BYS.
unwrap(Result, Default) ->
case Result of
{ok, V} ->
V;
{error, _} ->
Default
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 214).
-spec lazy_unwrap({ok, BYW} | {error, any()}, fun(() -> BYW)) -> BYW.
lazy_unwrap(Result, Default) ->
case Result of
{ok, V} ->
V;
{error, _} ->
Default()
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 236).
-spec unwrap_error({ok, any()} | {error, BZB}, BZB) -> BZB.
unwrap_error(Result, Default) ->
case Result of
{ok, _} ->
Default;
{error, E} ->
E
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 258).
-spec unwrap_both({ok, BZE} | {error, BZE}) -> BZE.
unwrap_both(Result) ->
case Result of
{ok, A} ->
A;
{error, A@1} ->
A@1
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 279).
-spec nil_error({ok, BZH} | {error, any()}) -> {ok, BZH} | {error, nil}.
nil_error(Result) ->
map_error(Result, fun(_) -> nil end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 307).
-spec 'or'({ok, BZN} | {error, BZO}, {ok, BZN} | {error, BZO}) -> {ok, BZN} |
{error, BZO}.
'or'(First, Second) ->
case First of
{ok, _} ->
First;
{error, _} ->
Second
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 340).
-spec lazy_or({ok, BZV} | {error, BZW}, fun(() -> {ok, BZV} | {error, BZW})) -> {ok,
BZV} |
{error, BZW}.
lazy_or(First, Second) ->
case First of
{ok, _} ->
First;
{error, _} ->
Second()
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 366).
-spec all(list({ok, CAD} | {error, CAE})) -> {ok, list(CAD)} | {error, CAE}.
all(Results) ->
gleam@list:try_map(Results, fun(X) -> X end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 386).
-spec do_partition(list({ok, CAS} | {error, CAT}), list(CAS), list(CAT)) -> {list(CAS),
list(CAT)}.
do_partition(Results, Oks, Errors) ->
case Results of
[] ->
{Oks, Errors};
[{ok, A} | Rest] ->
do_partition(Rest, [A | Oks], Errors);
[{error, E} | Rest@1] ->
do_partition(Rest@1, Oks, [E | Errors])
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 382).
-spec partition(list({ok, CAL} | {error, CAM})) -> {list(CAL), list(CAM)}.
partition(Results) ->
do_partition(Results, [], []).
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 408).
-spec replace({ok, any()} | {error, CBB}, CBE) -> {ok, CBE} | {error, CBB}.
replace(Result, Value) ->
case Result of
{ok, _} ->
{ok, Value};
{error, Error} ->
{error, Error}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 429).
-spec replace_error({ok, CBH} | {error, any()}, CBL) -> {ok, CBH} | {error, CBL}.
replace_error(Result, Error) ->
case Result of
{ok, X} ->
{ok, X};
{error, _} ->
{error, Error}
end.
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 445).
-spec values(list({ok, CBO} | {error, any()})) -> list(CBO).
values(Results) ->
gleam@list:filter_map(Results, fun(R) -> R end).
-file("/Users/louis/src/gleam/stdlib/src/gleam/result.gleam", 478).
-spec try_recover(
{ok, CBU} | {error, CBV},
fun((CBV) -> {ok, CBU} | {error, CBY})
) -> {ok, CBU} | {error, CBY}.
try_recover(Result, Fun) ->
case Result of
{ok, Value} ->
{ok, Value};
{error, Error} ->
Fun(Error)
end.