@Override
        public boolean equals(final Object o) {
            if (this == o) {
                return true;
            }
            if (o == null || this.getClass() != o.getClass()) {
                return false;
            }
            final BooleanParseException that = (BooleanParseException) o;
            return this.liberal == that.liberal && this.input.equals(that.input);
        }
Returns whether the parser is liberal.

@return {@code true} if the parser is liberal, {@code false} if not
cloud-core/src/main/java/org/incendo/cloud/parser/standard/BooleanParser.java