--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/user/anatofuz/note/2021/01/15.md	Sat Jan 16 00:10:03 2021 +0900
@@ -0,0 +1,72 @@
+# c/extern.h
+
+- `__code`のexternが並んでいるやつ
+    - gccの場合のプロトタイプ宣言避け
+    - ここはgenricsの`<>`が埋め込まれてしまうので更新する必要がある
+        - `.c`自体を書き換えてしまえばいらない説
+
+- enum関係
+    - あんま関係ない
+
+```perl
+[
+    [0] {
+        name             "AtomicT",
+        typed_variable   [
+            [0] {
+                type    "T",
+                vname   "newData"
+            },
+            [1] {
+                type    "T",
+                vname   "init"
+            }
+        ]
+    },
+    [1] {
+        name             "AtomicT",
+        typed_variable   [
+            [0] {
+                type    "T",
+                vname   "atomic"
+            },
+            [1] {
+                type    "T",
+                vname   "init"
+            }
+        ]
+    },
+    [2] {
+        generics   [
+            [0] {
+                generics   "int",
+                type       "AtomicT",
+                vname      "Leftfork"
+            },
+            [1] {
+                generics   "int",
+                type       "AtomicT",
+                vname      "Rightfork"
+            }
+        ],
+        name       "Phils"
+    }
+]
+```
+
+```perl
+use strict;
+use warnings;
+
+my $line = 'AtomicT<int> fork0 = setAtomicT(int)';
+
+
+ if ($line =~ /^\s*(\w+)<(.+)>\*?\s*(\w+)\s*=\s*(.+)\(?/) {
+   my $interface = $1;
+   my $generics  = $2;
+   my $method    = $3;
+
+   print "interface $interface\n";
+   print "generics $generics\n";
+ }
+```