added simple socket server

core.h

@@ -139,7 +139,7 @@ inline function Vec4 vec4(real32 x, real32 y, real32 z, real32 w) {
 #define DefineList(type, prefix) \
     typedef struct prefix ## List prefix ## List;\
     struct prefix ## List {\
-        type* data;\
+        type *data;\
         size_t length;\
         size_t capacity;\
     };\
@@ -211,19 +211,19 @@ StringList strSplit(Arena *arena, string splitStr, string inputStr);
 string strPrintfv(Arena *arena, const char *fmt, va_list args);
 string strPrintf(Arena *arena, const char *fmt, ...);
 
-typedef struct ParsePositiveIntResult ParsePositiveIntResult;
-struct ParsePositiveIntResult {
-    uint8 result;
-    bool valid;
-};
-ParsePositiveIntResult parsePositiveInt(string str, size_t *lengthPointer);
+#define DefineResult(type, prefix) \
+    typedef struct prefix ## Result prefix ## Result;\
+    struct prefix ## Result {\
+        type result;\
+        bool valid;\
+    };\
+    typedef type prefix ## Result ## _underlying
 
-typedef struct ParsePositiveReal32Result ParsePositiveReal32Result;
-struct ParsePositiveReal32Result {
-    real32 result;
-    bool valid;
-};
-ParsePositiveReal32Result parsePositiveReal32(string str, size_t *lengthPointer);
+DefineResult(int32, Int32);
+Int32Result parsePositiveInt(string str);
+
+DefineResult(real32, Real32);
+Real32Result parsePositiveReal32(string str);
 
 inline function bool isNumeric(char c);
 
@@ -304,7 +304,7 @@ extern void (*print)(const char *fmt, ...);
 
 // ### Loops ###
 #define EachIn(list, it) size_t it = 0; it < (list).length; it++
-#define EachEl(list, type, element) type* element = (list).data; element < (list).data + (list).length; element += 1
+#define EachEl(list, type, element) type *element = (list).data; element < (list).data + (list).length; element += 1
 #define EachInReversed(list, it) size_t it = (list).length - 1; it >= 0 && it < (list).length; it--
 #define EachInArray(arr, it)  size_t it = 0; it < ArrayCount(arr); ++it