number int16 - nberlette/is GitHub Wiki
function isInt16<N = number>(it: unknown): it is Int16<N>;Checks if a value is a 16-bit integer (between -32768 and 32767).
To check for an unsigned 16-bit integer (0-65535), use isUint16.
| Name | Info |
|---|---|
it |
The value to check. |
true if it is a 16-bit integer, false otherwise.
Numbers
int16 number
import { type Int16, isInt16, type MaybeInt16 } from "@nick/is/number";
let value = 1 as Int16;
const setValue = (newValue: MaybeInt16) => {
if (isInt16(newValue)) value = newValue;
};
setValue(0x7FFF); // <- No error!
// This will raise a TypeScript compiler error:
value = -32769; // <- TS2322 Type '-32769' is not assignable to type 'Int16'.function isInt16(it: unknown): it is Int16;Checks if a value is a 16-bit integer (between -32768 and 32767).
To check for an unsigned 16-bit integer (0-65535), use isUint16.
| Name | Info |
|---|---|
it |
The value to check. |
true if it is a 16-bit integer, false otherwise.
Numbers
import { isInt16 } from "@nick/is/number";
isInt16(32768); // false
isInt16(-32769); // false
isInt16(1); // true
isInt16(32767); // true
isInt16(-32768); // trueexport type Int16<N = number> = Cast<N, INT16>;Casts a value into a signed 16-bit integer type.
-
N(default:number)
Numbers Types
int16 number
import { type Int16, isInt16, type MaybeInt16 } from "@nick/is/int16";
let value = 1 as Int16;
const setValue = (newValue: MaybeInt16) => {
if (isInt16(newValue)) value = newValue;
};
setValue(0x7FFF); // <- No error!
// This will raise a TypeScript compiler error:
value = -32769; // <- TS2322 Type '-32769' is not assignable to type 'Int16'.export type MaybeInt16<N = number> = Cast<N, MAYBE_INT16>;Casts a value into a partial signed 16-bit integer type.
-
N(default:number)
Numbers Types
maybe int16 number
import { type Int16, isInt16, type MaybeInt16 } from "@nick/is/int16";
let value = 1 as Int16;
const setValue = (newValue: MaybeInt16) => {
if (isInt16(newValue)) value = newValue;
};
setValue(0x7FFF); // <- No error!
value = -32769; // Error: Type '-32769' is not assignable to type 'Int16'.