From 58be1809c46cbe517a18d86d0af52179dcc5cbf6 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <me@liz.coffee>
Date: Sun, 29 Jun 2025 17:31:30 -0700
Subject: Move to nodejs and also lots of significant refactoring that
 should've been broken up but idgaf

---
 u/types/fn/callable.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 u/types/fn/callable.ts

(limited to 'u/types/fn/callable.ts')

diff --git a/u/types/fn/callable.ts b/u/types/fn/callable.ts
new file mode 100644
index 0000000..51756d7
--- /dev/null
+++ b/u/types/fn/callable.ts
@@ -0,0 +1,19 @@
+export interface Callable<T = any, ArgT = any> {
+    (...args: Array<ArgT>): T;
+}
+
+export interface Supplier<T> extends Callable<T, undefined> {
+    (): T;
+}
+
+export interface Mapper<T, U> extends Callable<U, T> {
+    (t: T): U;
+}
+
+export interface BiMapper<T, U, R> extends Callable {
+    (t: T, u: U): R;
+}
+
+export interface SideEffect<T> extends Mapper<T, void> {}
+
+export interface BiSideEffect<T, U> extends BiMapper<T, U, void> {}
-- 
cgit v1.2.3-70-g09d2