restore char_to_digit

stephenberry · stephenberry · commit 1ac9d3d6a81d · 2026-04-02T14:42:46.000-05:00
diff --git a/include/glaze/toml/read.hpp b/include/glaze/toml/read.hpp
@@ -375,6 +375,14 @@ namespace glz
          return is_any_toml_digit(c);
       }
 
+      constexpr int char_to_digit(char c) noexcept
+      {
+         if (c >= '0' && c <= '9') return c - '0';
+         if (c >= 'a' && c <= 'z') return c - 'a' + 10;
+         if (c >= 'A' && c <= 'Z') return c - 'A' + 10;
+         return -1;
+      }
+
       struct unsigned_accumulator
       {
         private:

Original file line number	Diff line number	Diff line change
`@@ -375,6 +375,14 @@ namespace glz`
`375`	`375`	`return is_any_toml_digit(c);`
`376`	`376`	`}`
`377`	`377`
	`378`	`+ constexpr int char_to_digit(char c) noexcept`
	`379`	`+ {`
	`380`	`+ if (c >= '0' && c <= '9') return c - '0';`
	`381`	`+ if (c >= 'a' && c <= 'z') return c - 'a' + 10;`
	`382`	`+ if (c >= 'A' && c <= 'Z') return c - 'A' + 10;`
	`383`	`+ return -1;`
	`384`	`+ }`
	`385`	`+`
`378`	`386`	`struct unsigned_accumulator`
`379`	`387`	`{`
`380`	`388`	`private:`