Pattern: Constant if expression
Issue: -
Checks for if statements with a constant value for the if boolean expression, such as true, false, null, or a literal constant value. These if statements can be simplified or avoided altogether. Examples of violations include:
if (true) { .. }
if (false) { .. }
if (Boolean.TRUE) { .. }
if (Boolean.FALSE) { .. }
if (null) { .. }
if (0) { .. }
if (99.7) { .. }
if ("") { .. }
if ("abc") { .. }
if ([:]) { .. }
if ([a:123, b:456]) { .. }
if ([a, b, c]) { .. }