gbf @ dc12bd2

M src/char.gleam

@@ -1,20 +1,21 @@
+import gleam/bit_array
 import gleam/string
 
 pub fn to_code(s: String) {
-  case <<s:utf8>> {
-    // lowercase a(ansii 97) to z(ansii 122)
-    <<char:int>> if char >= 97 -> char - 96
-
-    // uppercase A(ansii 65) to Z(ansii 90), and special symbols
-    <<char:int>> -> char - 38
-
+  let bytes = bit_array.from_string(s)
+  case bit_array.byte_size(bytes) {
+    1 ->
+      case bytes {
+        <<value>> -> value
+        _ -> 0
+      }
     _ -> 0
   }
 }
 
 pub fn from_code(code: Int) {
   case code {
-    c if c == 0x0A || c >= 0x20 && c <= 0x7E -> {
+    c if c >= 1 && c <= 255 -> {
       case string.utf_codepoint(code) {
         Ok(codepoint) -> string.from_utf_codepoints([codepoint])
         Error(_) -> ""