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Module

x/typestruct/mod.ts>positive

Composable and checkable JavaScript (and TypeScript) data structure
TomokiMiyauci/typestruct
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function positive
import { positive } from "https://deno.land/x/typestruct@1.0.0-beta.5/mod.ts";

Create positive number struct. Ensure the input is positive number. Positive number means greater than zero.

Examples

Example 1

import { is, positive } from "https://deno.land/x/typestruct@$VERSION/mod.ts";
import { assertEquals } from "https://deno.land/std@$VERSION/testing/asserts.ts";

assertEquals(is(positive(), 0.1), true);
assertEquals(is(positive(), 0), false);

Parameters

optional
message: string

Custom issue message.