Lua 5.3 源码分析（五）字符串 TString

# Lua 5.3 源码分析 (五) 字符串 TString

typedef struct TString {
  CommonHeader;
  lu_byte extra;  /* reserved words for short strings; "has hash" for longs */
  unsigned int hash;
  size_t len;  /* number of characters in string */
  struct TString *hnext;  /* linked list for hash table */
} TString;

typedef union UTString {
  L_Umaxalign dummy;  /* ensures maximum alignment for strings */
  TString tsv;
} UTS
typedef s