s32(endianness?: Endianness): Coder<number>
Creates a coder for 32-bit signed integers.
This function creates a coder that can encode/decode 32-bit signed integers (range -2,147,483,648 to 2,147,483,647). The endianness parameter determines the byte order used.
Example 1
Example 1
import { assertEquals } from "@std/assert"; import { s32 } from "@hertzg/binstruct/numeric"; // Create big-endian and little-endian coders const s32be = s32("be"); const s32le = s32("le"); // Test data const testValue = -2147483648; // Encode and decode with big-endian const bufferBE = new Uint8Array(4); const bytesWrittenBE = s32be.encode(testValue, bufferBE); const [decodedBE, bytesReadBE] = s32be.decode(bufferBE); assertEquals(decodedBE, testValue); assertEquals(bytesWrittenBE, 4); assertEquals(bytesReadBE, 4); // Encode and decode with little-endian const bufferLE = new Uint8Array(4); const bytesWrittenLE = s32le.encode(testValue, bufferLE); const [decodedLE, bytesReadLE] = s32le.decode(bufferLE); assertEquals(decodedLE, testValue); assertEquals(bytesWrittenLE, 4); assertEquals(bytesReadLE, 4);
optional
endianness: Endianness = be
The byte order to use ("be" for big-endian, "le" for little-endian), defaults to "be"