Packages
gleam_stdlib
0.21.0
1.0.3
1.0.2
1.0.1
1.0.0
0.71.0
0.70.0
0.69.0
0.68.1
0.68.0
0.67.1
0.67.0
0.65.0
0.64.0
0.63.2
0.63.1
0.63.0
0.62.1
0.62.0
0.61.0
0.60.0
0.59.0
0.58.0
0.57.0
0.56.0
0.55.0
0.54.0
0.53.0
0.52.0
0.51.0
0.50.0
0.49.0
0.48.0
0.47.0
0.46.0
0.45.0
0.44.0
0.43.0
0.42.0
0.41.0
0.40.0
0.39.0
0.38.0
0.37.0
0.36.0
0.35.1
0.35.0
0.34.0
0.33.1
0.33.0
0.32.1
0.32.0
0.31.0
0.30.2
0.30.1
0.30.0
0.29.2
0.29.1
0.29.0
0.28.2
0.28.1
0.28.0
0.27.0
0.26.1
0.26.0
0.25.0
0.24.0
0.23.0
0.22.3
0.22.2
0.22.1
0.22.0
0.21.0
0.20.0
0.19.3
0.19.2
0.19.1
0.19.0
0.18.1
0.18.0
0.18.0-rc1
0.17.1
0.17.0
0.16.0
0.15.0
0.14.0
0.13.0
0.12.0
0.11.0
0.10.1
0.10.0
0.9.0
0.8.0
0.7.0
0.6.0
0.5.0
0.4.0
0.4.0-rc1
0.3.1
0.3.0
0.2.0
retired
A standard library for the Gleam programming language
Current section
Files
Jump to
Current section
Files
src/gleam@result.erl
-module(gleam@result).
-compile(no_auto_import).
-export([is_ok/1, is_error/1, map/2, map_error/2, flatten/1, then/2, unwrap/2, lazy_unwrap/2, unwrap_error/2, unwrap_both/1, nil_error/1, 'or'/2, lazy_or/2, all/1, replace/2, replace_error/2, values/1]).
-spec is_ok({ok, any()} | {error, any()}) -> boolean().
is_ok(Result) ->
case Result of
{error, _@1} ->
false;
{ok, _@2} ->
true
end.
-spec is_error({ok, any()} | {error, any()}) -> boolean().
is_error(Result) ->
case Result of
{ok, _@1} ->
false;
{error, _@2} ->
true
end.
-spec map({ok, BYA} | {error, BYB}, fun((BYA) -> BYE)) -> {ok, BYE} |
{error, BYB}.
map(Result, Fun) ->
case Result of
{ok, X} ->
{ok, Fun(X)};
{error, E} ->
{error, E}
end.
-spec map_error({ok, BYH} | {error, BYI}, fun((BYI) -> BYL)) -> {ok, BYH} |
{error, BYL}.
map_error(Result, Fun) ->
case Result of
{ok, X} ->
{ok, X};
{error, Error} ->
{error, Fun(Error)}
end.
-spec flatten({ok, {ok, BYO} | {error, BYP}} | {error, BYP}) -> {ok, BYO} |
{error, BYP}.
flatten(Result) ->
case Result of
{ok, X} ->
X;
{error, Error} ->
{error, Error}
end.
-spec then({ok, BYW} | {error, BYX}, fun((BYW) -> {ok, BZA} | {error, BYX})) -> {ok,
BZA} |
{error, BYX}.
then(Result, Fun) ->
case Result of
{ok, X} ->
Fun(X);
{error, E} ->
{error, E}
end.
-spec unwrap({ok, BZF} | {error, any()}, BZF) -> BZF.
unwrap(Result, Default) ->
case Result of
{ok, V} ->
V;
{error, _@1} ->
Default
end.
-spec lazy_unwrap({ok, BZJ} | {error, any()}, fun(() -> BZJ)) -> BZJ.
lazy_unwrap(Result, Default) ->
case Result of
{ok, V} ->
V;
{error, _@1} ->
Default()
end.
-spec unwrap_error({ok, any()} | {error, BZO}, BZO) -> BZO.
unwrap_error(Result, Default) ->
case Result of
{ok, _@1} ->
Default;
{error, E} ->
E
end.
-spec unwrap_both({ok, BZR} | {error, BZR}) -> BZR.
unwrap_both(Result) ->
case Result of
{ok, A} ->
A;
{error, A@1} ->
A@1
end.
-spec nil_error({ok, BZU} | {error, any()}) -> {ok, BZU} | {error, nil}.
nil_error(Result) ->
map_error(Result, fun(_) -> nil end).
-spec 'or'({ok, CAA} | {error, CAB}, {ok, CAA} | {error, CAB}) -> {ok, CAA} |
{error, CAB}.
'or'(First, Second) ->
case First of
{ok, _@1} ->
First;
{error, _@2} ->
Second
end.
-spec lazy_or({ok, CAI} | {error, CAJ}, fun(() -> {ok, CAI} | {error, CAJ})) -> {ok,
CAI} |
{error, CAJ}.
lazy_or(First, Second) ->
case First of
{ok, _@1} ->
First;
{error, _@2} ->
Second()
end.
-spec all(list({ok, CAQ} | {error, CAR})) -> {ok, list(CAQ)} | {error, CAR}.
all(Results) ->
gleam@list:try_map(Results, fun(X) -> X end).
-spec replace({ok, any()} | {error, CAZ}, CBC) -> {ok, CBC} | {error, CAZ}.
replace(Result, Value) ->
case Result of
{ok, _@1} ->
{ok, Value};
{error, Error} ->
{error, Error}
end.
-spec replace_error({ok, CBF} | {error, any()}, CBJ) -> {ok, CBF} | {error, CBJ}.
replace_error(Result, Error) ->
case Result of
{ok, X} ->
{ok, X};
{error, _@1} ->
{error, Error}
end.
-spec values(list({ok, CBM} | {error, any()})) -> list(CBM).
values(Results) ->
gleam@list:filter_map(Results, fun(R) -> R end).