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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | 38x 38x 59x 3x 56x 3x 60x 87x 83x 83x 4x 4x 185x 81x 81x 104x 104x 6x | import Immutable from 'immutable';
export class NumberRange extends Immutable.Record({
start: 0,
end: 0,
}) {
constructor(start: number, end: number) {
if (!(start < end)) {
throw new Error(`Invalid NumberRange(${start}, ${end})`);
}
super({
start: start,
end: end,
});
}
toString(): string {
return `NumberRange(${this.start}, ${this.end})`;
}
contains(number: number): boolean {
return number >= this.start && number < this.end;
}
isEntirelyAfter(otherRangeOrNumber: NumberRange|number): boolean {
if (otherRangeOrNumber instanceof NumberRange) {
const otherRange = otherRangeOrNumber;
return otherRange.end <= this.start;
}
const otherNumber = otherRangeOrNumber;
return otherNumber < this.start;
}
isEntirelyBefore(otherRangeOrNumber: NumberRange|number): boolean {
if (otherRangeOrNumber instanceof NumberRange) {
const otherRange = otherRangeOrNumber;
return otherRange.start >= this.end;
}
const otherNumber = otherRangeOrNumber;
return otherNumber >= this.end;
}
intersects(otherRange: NumberRange): boolean {
return !this.isEntirelyAfter(otherRange) && !this.isEntirelyBefore(otherRange);
}
}
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