diff options
Diffstat (limited to 'lib/hipe/test/maps_SUITE_data/maps_match_and_update_literals.erl')
-rw-r--r-- | lib/hipe/test/maps_SUITE_data/maps_match_and_update_literals.erl | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/hipe/test/maps_SUITE_data/maps_match_and_update_literals.erl b/lib/hipe/test/maps_SUITE_data/maps_match_and_update_literals.erl new file mode 100644 index 0000000000..29a6a29290 --- /dev/null +++ b/lib/hipe/test/maps_SUITE_data/maps_match_and_update_literals.erl @@ -0,0 +1,24 @@ +-module(maps_match_and_update_literals). +-export([test/0]). + +test() -> + Map = #{x=>0,y=>"untouched",z=>"also untouched",q=>1}, + #{x:=16,q:=21,y:="untouched",z:="also untouched"} = loop_match_and_update_literals_x_q(Map, [ + {1,2},{3,4},{5,6},{7,8} + ]), + M0 = id(#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, + 4 => number, 18446744073709551629 => wat}), + M1 = id(#{}), + M2 = M1#{ "hi" => "hello", int => 3, <<"key">> => <<"value">>, + 4 => number, 18446744073709551629 => wat}, + M0 = M2, + + #{ 4 := another_number, int := 3 } = M2#{ 4 => another_number }, + ok. + +loop_match_and_update_literals_x_q(Map, []) -> Map; +loop_match_and_update_literals_x_q(#{q:=Q0,x:=X0} = Map, [{X,Q}|Vs]) -> + loop_match_and_update_literals_x_q(Map#{q=>Q0+Q,x=>X0+X},Vs). + +%% Use this function to avoid compile-time evaluation of an expression. +id(I) -> I. |