| 128 | |
| 129 | impl fmt::Display for Value { |
| 130 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
| 131 | if let Some(enum_variant) = self.as_enum() { |
| 132 | write!(f, "{}={}", self.name, enum_variant) |
| 133 | } else if let Some(num) = self.as_num() { |
| 134 | write!(f, "{}={}", self.name, num) |
| 135 | } else if let Some(b) = self.as_bool() { |
| 136 | if b { |
| 137 | write!(f, "{}=1", self.name) |
| 138 | } else { |
| 139 | write!(f, "{}=0", self.name) |
| 140 | } |
| 141 | } else { |
| 142 | unreachable!() |
| 143 | } |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | /// Collect settings values based on a template. |