diff options
Diffstat (limited to 'lib/stdlib/src/erl_pp.erl')
| -rw-r--r-- | lib/stdlib/src/erl_pp.erl | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index 10842d21ab..17a758ff58 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -311,7 +311,15 @@ map_pair_types(Fs) -> tuple_type(Fs, fun map_pair_type/1). map_pair_type({type,_Line,map_field_assoc,[Ktype,Vtype]}) -> - {seq,[],[]," =>",[ltype(Ktype),ltype(Vtype)]}. + map_assoc_typed(ltype(Ktype), Vtype). + +map_assoc_typed(B, {type,_,union,Ts}) -> + {first,[B,$\s],{seq,[],[],[],map_assoc_union_type(Ts)}}; +map_assoc_typed(B, Type) -> + {list,[{cstep,[B," =>"],ltype(Type)}]}. + +map_assoc_union_type([T|Ts]) -> + [[leaf("=> "),ltype(T)] | ltypes(Ts, fun union_elem/1)]. record_type(Name, Fields) -> {first,[record_name(Name)],field_types(Fields)}. |