gpslab /
enum
| @@ 149-162 (lines=14) @@ | ||
| 146 | * |
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| 147 | * @return Set |
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| 148 | */ |
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| 149 | final public function union(self $set) |
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| 150 | { |
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| 151 | $bit = $this->bit; |
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| 152 | foreach (func_get_args() as $arg) { |
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| 153 | self::validateType($arg); |
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| 154 | ||
| 155 | $bit |= $arg->bit; |
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| 156 | } |
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| 157 | ||
| 158 | $clone = new static(); |
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| 159 | $clone->bit = $bit; |
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| 160 | ||
| 161 | return $clone; |
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| 162 | } |
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| 163 | ||
| 164 | /** |
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| 165 | * Produce a new set with enum common to both this and other (this & other). |
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| @@ 171-184 (lines=14) @@ | ||
| 168 | * |
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| 169 | * @return Set |
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| 170 | */ |
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| 171 | final public function intersect(self $set) |
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| 172 | { |
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| 173 | $bit = $this->bit; |
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| 174 | foreach (func_get_args() as $arg) { |
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| 175 | self::validateType($arg); |
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| 176 | ||
| 177 | $bit &= $arg->bit; |
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| 178 | } |
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| 179 | ||
| 180 | $clone = new static(); |
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| 181 | $clone->bit = $bit; |
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| 182 | ||
| 183 | return $clone; |
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| 184 | } |
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| 185 | ||
| 186 | /** |
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| 187 | * Produce a new set with enum in this but not in other (this - other). |
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| @@ 193-206 (lines=14) @@ | ||
| 190 | * |
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| 191 | * @return Set |
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| 192 | */ |
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| 193 | final public function diff(self $set) |
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| 194 | { |
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| 195 | $bit = 0; |
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| 196 | foreach (func_get_args() as $arg) { |
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| 197 | self::validateType($arg); |
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| 198 | ||
| 199 | $bit |= $arg->bit; |
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| 200 | } |
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| 201 | ||
| 202 | $clone = new static(); |
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| 203 | $clone->bit = $this->bit & ~$bit; |
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| 204 | ||
| 205 | return $clone; |
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| 206 | } |
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| 207 | ||
| 208 | /** |
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| 209 | * Produce a new set with enum in either this and other but not in both (this ^ (other | other)). |
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| @@ 215-228 (lines=14) @@ | ||
| 212 | * |
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| 213 | * @return Set |
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| 214 | */ |
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| 215 | final public function symDiff(self $set) |
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| 216 | { |
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| 217 | $bit = 0; |
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| 218 | foreach (func_get_args() as $arg) { |
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| 219 | self::validateType($arg); |
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| 220 | ||
| 221 | $bit |= $arg->bit; |
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| 222 | } |
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| 223 | ||
| 224 | $clone = new static(); |
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| 225 | $clone->bit = $this->bit ^ $bit; |
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| 226 | ||
| 227 | return $clone; |
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| 228 | } |
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| 229 | ||
| 230 | /** |
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| 231 | * Get choices for checkbox group. |
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