initial commits

char/byte.go

@@ -0,0 +1,8 @@
+package char
+
+// ByteIsChar returns whether the byte is a 'CHAR', as defined by IETF RFC-2616.
+//
+//	CHAR = <any US-ASCII character (octets 0 - 127)>
+func ByteIsChar(value byte) bool {
+	return value <= 127
+}

char/rune.go

@@ -0,0 +1,8 @@
+package char
+
+// RuneIsChar returns whether the rune is a 'CHAR', as defined by IETF RFC-2616.
+//
+//	CHAR = <any US-ASCII character (octets 0 - 127)>
+func RuneIsChar(value rune) bool {
+	return value <= 127
+}