public String parseString(int n) {
		String s = mangled.substring(pos, pos + n);
		pos += n;
		return s;
	}
Parses the 
@param n number of characters
@return the parsed string
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/rust/demangler/RustDemanglerV0.java