initial commit

benchmarks/option/construction.bench.ts

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+import { bench, describe } from 'vitest';
+import { STANDARD } from '../helpers/bench-options.js';
+import {
+  some,
+  none,
+  TsSome,
+  TsNone,
+  OxSome,
+  OxNone,
+  O,
+  TmMaybe,
+} from '../helpers/imports.js';
+
+// ---------------------------------------------------------------------------
+// Some construction
+// ---------------------------------------------------------------------------
+
+describe('Option construction — Some (primitive)', () => {
+  bench('native-monad', () => { some(42); }, STANDARD);
+  // neverthrow: no Option type
+  bench('ts-results-es', () => { TsSome(42); }, STANDARD);
+  bench('oxide.ts', () => { OxSome(42); }, STANDARD);
+  bench('fp-ts', () => { O.some(42); }, STANDARD);
+  bench('true-myth', () => { TmMaybe.just(42); }, STANDARD);
+});
+
+describe('Option construction — Some (object payload)', () => {
+  const value = { id: 1, name: 'Alice', roles: ['admin', 'user'] };
+
+  bench('native-monad', () => { some(value); }, STANDARD);
+  bench('ts-results-es', () => { TsSome(value); }, STANDARD);
+  bench('oxide.ts', () => { OxSome(value); }, STANDARD);
+  bench('fp-ts', () => { O.some(value); }, STANDARD);
+  bench('true-myth', () => { TmMaybe.just(value); }, STANDARD);
+});
+
+// ---------------------------------------------------------------------------
+// None construction / access
+// ---------------------------------------------------------------------------
+
+describe('Option construction — None', () => {
+  bench('native-monad', () => { none(); }, STANDARD);
+  bench('ts-results-es', () => { TsNone; }, STANDARD);
+  bench('oxide.ts', () => { OxNone; }, STANDARD);
+  bench('fp-ts', () => { O.none; }, STANDARD);
+  bench('true-myth', () => { TmMaybe.nothing(); }, STANDARD);
+});