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23 lines
436 B
TypeScript
23 lines
436 B
TypeScript
import type {GreaterThanOrEqual} from './greater-than-or-equal';
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/**
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Returns a boolean for whether a given number is less than another number.
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@example
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```
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import type {LessThan} from 'type-fest';
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LessThan<1, -5>;
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//=> false
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LessThan<1, 1>;
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//=> false
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LessThan<1, 5>;
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//=> true
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```
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*/
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export type LessThan<A extends number, B extends number> = number extends A | B
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? never
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: GreaterThanOrEqual<A, B> extends true ? false : true;
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