diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/src/maps.erl | 11 | ||||
| -rw-r--r-- | lib/stdlib/src/proc_lib.erl | 6 | ||||
| -rw-r--r-- | lib/stdlib/src/stdlib.app.src | 2 |
3 files changed, 14 insertions, 5 deletions
diff --git a/lib/stdlib/src/maps.erl b/lib/stdlib/src/maps.erl index 3f019aa35a..ba4d6a5c87 100644 --- a/lib/stdlib/src/maps.erl +++ b/lib/stdlib/src/maps.erl @@ -24,6 +24,7 @@ map/2, size/1, without/2, + with/2, get/3 ]). @@ -201,3 +202,13 @@ size(Map) when is_map(Map) -> without(Ks, M) when is_list(Ks), is_map(M) -> maps:from_list([{K,V}||{K,V} <- maps:to_list(M), not lists:member(K, Ks)]). + + +-spec with(Ks, Map1) -> Map2 when + Ks :: [K], + Map1 :: map(), + Map2 :: map(), + K :: term(). + +with(Ks, M) when is_list(Ks), is_map(M) -> + maps:from_list([{K,V}||{K,V} <- maps:to_list(M), lists:member(K, Ks)]). diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl index 1eb6fc2e86..bf2a4e7ac5 100644 --- a/lib/stdlib/src/proc_lib.erl +++ b/lib/stdlib/src/proc_lib.erl @@ -216,10 +216,8 @@ ensure_link(SpawnOpts) -> init_p(Parent, Ancestors, Fun) when is_function(Fun) -> put('$ancestors', [Parent|Ancestors]), - {module,Mod} = erlang:fun_info(Fun, module), - {name,Name} = erlang:fun_info(Fun, name), - {arity,Arity} = erlang:fun_info(Fun, arity), - put('$initial_call', {Mod,Name,Arity}), + Mfa = erlang:fun_info_mfa(Fun), + put('$initial_call', Mfa), try Fun() catch diff --git a/lib/stdlib/src/stdlib.app.src b/lib/stdlib/src/stdlib.app.src index 3585eec342..aa9899da3b 100644 --- a/lib/stdlib/src/stdlib.app.src +++ b/lib/stdlib/src/stdlib.app.src @@ -103,7 +103,7 @@ dets]}, {applications, [kernel]}, {env, []}, - {runtime_dependencies, ["sasl-2.4","kernel-3.0.2","erts-6.1.2","crypto-3.3", + {runtime_dependencies, ["sasl-2.4","kernel-3.0.2","erts-6.2","crypto-3.3", "compiler-5.0"]} ]}. |