diff options
Diffstat (limited to 'lib/hipe/test/maps_SUITE_data/maps_build_and_match_aliasing.erl')
-rw-r--r-- | lib/hipe/test/maps_SUITE_data/maps_build_and_match_aliasing.erl | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/hipe/test/maps_SUITE_data/maps_build_and_match_aliasing.erl b/lib/hipe/test/maps_SUITE_data/maps_build_and_match_aliasing.erl new file mode 100644 index 0000000000..14d8320cdf --- /dev/null +++ b/lib/hipe/test/maps_SUITE_data/maps_build_and_match_aliasing.erl @@ -0,0 +1,20 @@ +-module(maps_build_and_match_aliasing). +-export([test/0]). + +test() -> + M1 = id(#{a=>1,b=>2,c=>3,d=>4}), + #{c:=C1=_=_=C2} = M1, + true = C1 =:= C2, + #{a:=A,a:=A,a:=A,b:=B,b:=B} = M1, + #{a:=A,a:=A,a:=A,b:=B,b:=B,b:=2} = M1, + #{a:=A=1,a:=A,a:=A,b:=B=2,b:=B,b:=2} = M1, + #{c:=C1, c:=_, c:=3, c:=_, c:=C2} = M1, + #{c:=C=_=3=_=C} = M1, + + M2 = id(#{"a"=>1,"b"=>2,"c"=>3,"d"=>4}), + #{"a":=A2,"a":=A2,"a":=A2,"b":=B2,"b":=B2,"b":=2} = M2, + #{"a":=_,"a":=_,"a":=_,"b":=_,"b":=_,"b":=2} = M2, + ok. + +%% Use this function to avoid compile-time evaluation of an expression. +id(I) -> I. |