public String content() {
			try (InputStream stream = Diagram.class.getResourceAsStream(_path)) {
				return IO.toText(stream);
			} catch (IOException e) {
				throw new UncheckedIOException(e);
			}
		}
Return the template content as string.

@return the template content
jenetics.tool/src/main/java/io/jenetics/tool/evaluation/Diagram.java