gpslab /
enum
| @@ 161-174 (lines=14) @@ | ||
| 158 | * |
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| 159 | * @return Set |
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| 160 | */ |
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| 161 | final public function union(Set $set) |
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| 162 | { |
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| 163 | $bit = $this->bit; |
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| 164 | foreach (func_get_args() as $set) { |
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| 165 | self::validateType($set); |
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| 166 | ||
| 167 | $bit |= $set->bit; |
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| 168 | } |
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| 169 | ||
| 170 | $clone = new static(); |
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| 171 | $clone->bit = $bit; |
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| 172 | ||
| 173 | return $clone; |
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| 174 | } |
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| 175 | ||
| 176 | /** |
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| 177 | * Produce a new set with enum common to both this and other (this & other). |
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| @@ 183-196 (lines=14) @@ | ||
| 180 | * |
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| 181 | * @return Set |
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| 182 | */ |
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| 183 | final public function intersect(Set $set) |
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| 184 | { |
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| 185 | $bit = $this->bit; |
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| 186 | foreach (func_get_args() as $set) { |
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| 187 | self::validateType($set); |
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| 188 | ||
| 189 | $bit &= $set->bit; |
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| 190 | } |
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| 191 | ||
| 192 | $clone = new static(); |
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| 193 | $clone->bit = $bit; |
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| 194 | ||
| 195 | return $clone; |
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| 196 | } |
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| 197 | ||
| 198 | /** |
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| 199 | * Produce a new set with enum in this but not in other (this - other). |
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| @@ 205-218 (lines=14) @@ | ||
| 202 | * |
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| 203 | * @return Set |
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| 204 | */ |
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| 205 | final public function diff(Set $set) |
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| 206 | { |
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| 207 | $bit = 0; |
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| 208 | foreach (func_get_args() as $set) { |
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| 209 | self::validateType($set); |
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| 210 | ||
| 211 | $bit |= $set->bit; |
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| 212 | } |
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| 213 | ||
| 214 | $clone = new static(); |
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| 215 | $clone->bit = $this->bit & ~$bit; |
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| 216 | ||
| 217 | return $clone; |
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| 218 | } |
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| 219 | ||
| 220 | /** |
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| 221 | * Produce a new set with enum in either this and other but not in both (this ^ (other | other)). |
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| @@ 227-240 (lines=14) @@ | ||
| 224 | * |
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| 225 | * @return Set |
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| 226 | */ |
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| 227 | final public function symDiff(Set $set) |
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| 228 | { |
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| 229 | $bit = 0; |
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| 230 | foreach (func_get_args() as $set) { |
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| 231 | self::validateType($set); |
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| 232 | ||
| 233 | $bit |= $set->bit; |
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| 234 | } |
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| 235 | ||
| 236 | $clone = new static(); |
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| 237 | $clone->bit = $this->bit ^ $bit; |
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| 238 | ||
| 239 | return $clone; |
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| 240 | } |
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| 241 | ||
| 242 | /** |
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| 243 | * Get choices for checkbox group. |
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