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-rw-r--r--lib/stdlib/src/erl_parse.yrl14
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 5a846266c5..35c33c7796 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -34,7 +34,7 @@ binary_comprehension
tuple
%struct
record_expr record_tuple record_field record_fields
-map_expr map_tuple map_field map_fields map_key
+map_expr map_tuple map_field map_field_assoc map_field_exact map_fields map_key
if_expr if_clause if_clauses case_expr cr_clause cr_clauses receive_expr
fun_expr fun_clause fun_clauses atom_or_var integer_or_var
try_expr try_catch try_clause try_clauses
@@ -60,7 +60,7 @@ char integer float atom string var
'*' '/' 'div' 'rem' 'band' 'and'
'+' '-' 'bor' 'bxor' 'bsl' 'bsr' 'or' 'xor'
'++' '--'
-'==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<=' '=>'
+'==' '/=' '=<' '<' '>=' '>' '=:=' '=/=' '<=' '=>' ':='
'<<' '>>'
'!' '=' '::' '..' '...'
'spec' 'callback' % helper
@@ -344,8 +344,14 @@ map_tuple -> '{' map_fields '}' : '$2'.
map_fields -> map_field : ['$1'].
map_fields -> map_field ',' map_fields : ['$1' | '$3'].
-map_field -> map_key '=>' expr :
- {map_field,?line('$1'),'$1','$3'}.
+map_field -> map_field_assoc : '$1'.
+map_field -> map_field_exact : '$1'.
+
+map_field_assoc -> map_key '=>' expr :
+ {map_field_assoc,?line('$1'),'$1','$3'}.
+
+map_field_exact -> map_key ':=' expr :
+ {map_field_exact,?line('$1'),'$1','$3'}.
map_key -> expr : '$1'.