diff --git a/typescript/option/package.json b/typescript/option/package.json
index 3883c57..c98aa4e 100644
--- a/typescript/option/package.json
+++ b/typescript/option/package.json
@@ -38,6 +38,7 @@
     "author": "Matei Adriel",
     "license": "SEE LICENSE IN LICENSE",
     "dependencies": {
+        "@thi.ng/compose": "^1.3.6",
         "tslib": "^1.10.0"
     }
 }
diff --git a/typescript/option/pnpm-lock.yaml b/typescript/option/pnpm-lock.yaml
index 79b59ec..3271d76 100644
--- a/typescript/option/pnpm-lock.yaml
+++ b/typescript/option/pnpm-lock.yaml
@@ -1,4 +1,5 @@
 dependencies:
+  '@thi.ng/compose': 1.3.6
   tslib: 1.10.0
 devDependencies:
   '@rollup/plugin-commonjs': 11.0.0_rollup@1.27.14
@@ -953,6 +954,21 @@ packages:
       semantic-release: '>=15.8.0 <16.0.0 || >=16.0.0-beta <17.0.0'
     resolution:
       integrity: sha512-LGjgPBGjjmjap/76O0Md3wc04Y7IlLnzZceLsAkcYRwGQdRPTTFUJKqDQTuieWTs7zfHzQoZqsqPfFxEN+g2+Q==
+  /@thi.ng/api/6.6.0:
+    dev: false
+    resolution:
+      integrity: sha512-CG4jxoidxdTNAVdGEGj9nLwOts37BszTWSl3RejFL/K2yOxEkB77c0zfvz19sSZVfUWv5dDWgXewbYwBnHvKlA==
+  /@thi.ng/compose/1.3.6:
+    dependencies:
+      '@thi.ng/api': 6.6.0
+      '@thi.ng/errors': 1.2.2
+    dev: false
+    resolution:
+      integrity: sha512-anCFAQqnfOjPXGkkAptJE9gMBtD4jMJc/2sETLl09M3BUMCj3i6We1tCJ9ljcoXwO+jgscTAaMOopiOwslO0SA==
+  /@thi.ng/errors/1.2.2:
+    dev: false
+    resolution:
+      integrity: sha512-M0T8m+H+FDAFi6Oe8FTYQWTBgx+xrwsstiH4KzSUGjDGmJ7Hi/FSfwmBPIslrRVnrnJKwBk41aYQ1tk3J6CNKw==
   /@types/color-name/1.1.1:
     dev: true
     resolution:
@@ -3631,6 +3647,7 @@ packages:
 specifiers:
   '@rollup/plugin-commonjs': ^11.0.0
   '@rollup/plugin-node-resolve': ^6.0.0
+  '@thi.ng/compose': ^1.3.6
   '@types/node': ^12.12.21
   '@wessberg/rollup-plugin-ts': ^1.1.83
   rimraf: ^3.0.0
diff --git a/typescript/option/src/helpers/count.ts b/typescript/option/src/helpers/count.ts
index 4f8c017..6cdb30d 100644
--- a/typescript/option/src/helpers/count.ts
+++ b/typescript/option/src/helpers/count.ts
@@ -1,4 +1,4 @@
-import { Option } from '../types'
 import { isSome } from './isSome'
+import { compL } from '@thi.ng/compose'
 
-export const count = <T>(option: Option<T>) => Number(isSome(option))
+export const count = compL(isSome, Number)
diff --git a/typescript/option/src/helpers/flat.ts b/typescript/option/src/helpers/flat.ts
index e23283b..0d5f1f2 100644
--- a/typescript/option/src/helpers/flat.ts
+++ b/typescript/option/src/helpers/flat.ts
@@ -1,5 +1,5 @@
 import { bind } from './bind'
-import { identity } from '../internals'
+import { identity } from '@thi.ng/compose'
 import { Option } from '../types'
 
 export const flat = <T>(option: Option<Option<T>>): Option<T> => {
diff --git a/typescript/option/src/helpers/map.ts b/typescript/option/src/helpers/map.ts
index 672b6a8..01f850b 100644
--- a/typescript/option/src/helpers/map.ts
+++ b/typescript/option/src/helpers/map.ts
@@ -1,10 +1,11 @@
 import { match } from './match'
 import { Mapper } from '../internalTypes'
 import { Option, Some, None } from '../types'
+import { compL } from '@thi.ng/compose'
 
 export const map = <T, U>(
     mapper: Mapper<T, U>,
     option: Option<T>
 ): Option<U> => {
-    return match(v => Some(mapper(v)), None, option)
+    return match(compL(mapper, Some), None, option)
 }
diff --git a/typescript/option/src/helpers/toNullable.ts b/typescript/option/src/helpers/toNullable.ts
index 07baa84..7a7d072 100644
--- a/typescript/option/src/helpers/toNullable.ts
+++ b/typescript/option/src/helpers/toNullable.ts
@@ -1,5 +1,5 @@
 import { match } from './match'
-import { identity } from '../internals'
+import { identity } from '@thi.ng/compose'
 import { Option } from '../types'
 
 export const toNullable = <T>(option: Option<T>) => {
diff --git a/typescript/option/src/helpers/withDefault.ts b/typescript/option/src/helpers/withDefault.ts
index b9c0f6d..b1c9934 100644
--- a/typescript/option/src/helpers/withDefault.ts
+++ b/typescript/option/src/helpers/withDefault.ts
@@ -1,5 +1,5 @@
 import { match } from './match'
-import { identity } from '../internals'
+import { identity } from '@thi.ng/compose'
 import { Option } from '../types'
 
 export const withDefault = <T>(_default: T, option: Option<T>) => {
diff --git a/typescript/option/src/internals.ts b/typescript/option/src/internals.ts
index 54e7cd7..09b8392 100644
--- a/typescript/option/src/internals.ts
+++ b/typescript/option/src/internals.ts
@@ -1,3 +1 @@
-export const identity = <T>(v: T) => v
-
 export const none = Symbol('none')
diff --git a/typescript/option/src/types.ts b/typescript/option/src/types.ts
index 005e415..397841e 100644
--- a/typescript/option/src/types.ts
+++ b/typescript/option/src/types.ts
@@ -1,5 +1,6 @@
-import { none, identity } from './internals'
+import { identity } from '@thi.ng/compose'
 import { Brand } from 'utility-types'
+import { none } from './internals'
 
 // This is never actually used outside of typing so we can just declare it
 declare const some: unique symbol