Packages
lustre
4.0.0-rc.2
5.7.1
5.7.0
5.6.0
5.5.2
5.5.1
5.5.0
5.4.0
5.3.5
5.3.4
5.3.3
5.3.2
5.3.1
5.3.0
5.2.1
5.2.0
5.1.1
5.1.0
5.0.3
5.0.2
5.0.1
5.0.0
4.6.4
4.6.3
4.6.2
4.6.1
4.6.0
4.5.1
4.5.0
4.4.4
4.4.3
4.4.1
4.4.0
4.3.6
4.3.5
4.3.4
4.3.3
4.3.2
4.3.1
4.3.0
4.2.6
4.2.5
4.2.4
4.2.3
4.2.2
4.2.1
4.2.0
4.1.8
4.1.7
4.1.6
4.1.5
4.1.4
4.1.3
4.1.2
4.1.1
4.1.0
4.0.0
4.0.0-rc1
4.0.0-rc.2
3.1.4
3.1.3
3.1.2
3.1.1
3.1.0
3.0.12
3.0.11
3.0.10
3.0.9
3.0.8
3.0.7
3.0.6
3.0.5
3.0.4
3.0.3
3.0.2
3.0.1
3.0.0
3.0.0-rc.8
3.0.0-rc.7
3.0.0-rc.6
3.0.0-rc.5
3.0.0-rc.4
3.0.0-rc.3
3.0.0-rc.2
3.0.0-rc.1
2.0.1
2.0.0
1.3.0
1.2.0
1.1.0
1.0.0
Create HTML templates, single page applications, Web Components, and real-time server components in Gleam!
Current section
Files
Jump to
Current section
Files
src/lustre@cli@utils.erl
-module(lustre@cli@utils).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-export(['try'/3, replace/1, map/1, guard/3, 'when'/3]).
-spec 'try'(
{ok, NNE} | {error, NNF},
fun((NNF) -> NNI),
fun((NNE) -> {ok, NNL} | {error, NNI})
) -> {ok, NNL} | {error, NNI}.
'try'(Result, Strategy, F) ->
case Result of
{ok, Value} ->
F(Value);
{error, X} ->
{error, Strategy(X)}
end.
-spec replace(NNQ) -> fun((any()) -> NNQ).
replace(Error) ->
fun(_) -> Error end.
-spec map(fun((NNU) -> NNV)) -> fun((NNU) -> NNV).
map(F) ->
F.
-spec guard(boolean(), NNY, fun(() -> {ok, NNZ} | {error, NNY})) -> {ok, NNZ} |
{error, NNY}.
guard(Condition, Consequence, Then) ->
case Condition of
true ->
{error, Consequence};
false ->
Then()
end.
-spec 'when'(boolean(), NOE, fun(() -> {ok, NOE} | {error, NOF})) -> {ok, NOE} |
{error, NOF}.
'when'(Condition, Consequence, Then) ->
case Condition of
true ->
{ok, Consequence};
false ->
Then()
end.