Changes

{{#switch: 0 + 1 | 1 = one | 2 = two | three}}

{{#switch: 0 + 1 | 1 = one | 2 = two | three}} <br>

{{#if: test string | value if test string is not empty | value if test string is empty (or only white space) }}

{{#if: test string | value if test string is not empty | value if test string is empty (or only white space) }}