+Tcl_ObjType cht_enum1_nearlytype = {
+ "enum1-nearly",
+ 0, enum_nt_dup, enum_nt_ustr, enum_nt_sfa
+};
+
+static void report_bad(Tcl_Interp *ip, const char *what, const char *supplied,
+ const void *first, size_t each,
+ int (*isvalid)(const void *entry),
+ void (*appres)(Tcl_Interp *ip, const void *entry)) {
+ int count, i;
+ const Byte *entry;
+
+ for (entry=first; isvalid(entry); entry+=each);
+ count= (entry - (const Byte*)first) / each;
+
+ Tcl_ResetResult(ip);
+ Tcl_AppendResult(ip, "bad ",what," \"",supplied,"\": must be",(char*)0);
+
+ for (i=0, entry=first; i<count; i++, entry+=each) {
+ Tcl_AppendResult(ip,
+ (char*)(i==0 ? " " :
+ i+1==count ? ", or " :
+ ", "),
+ (char*)0);
+ appres(ip,entry);
+ }
+}
+
+static const char *enum_str(const void *p) { return *(const char*const*)p; }
+static int isvalid_enum(const void *p) { return !!enum_str(p); }
+static void appres_enum(Tcl_Interp *ip, const void *p) {
+ Tcl_AppendResult(ip, enum_str(p), (char*)0);
+}
+
+const void *cht_enum_lookup_cached_func(Tcl_Interp *ip, Tcl_Obj *o,
+ const void *firstentry, size_t entrysize,