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