CompilePattern handles escapes and wild cards convert pattern characters and pattern types.

Copy deep copies a string.

DoMatch matches the string with patChars and patTypes.

Unquote interprets s as a single-quoted, double-quoted, or backquoted Go string literal, returning the string value that s quotes.

UnquoteChar decodes the first character or byte in the escaped string or character literal represented by the string s.

ErrSyntax indicates that a value does not have the right syntax for the target type.