From d9c418425b035f00c950e6a83df9470d7af80413 Mon Sep 17 00:00:00 2001
From: Elizabeth <me@liz.coffee>
Date: Mon, 2 Jun 2025 18:07:31 -0700
Subject: Use log traceable in metric traceable

---
 u/trace/itrace.ts | 46 +++++++++++++++++++++++-----------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

(limited to 'u/trace/itrace.ts')

diff --git a/u/trace/itrace.ts b/u/trace/itrace.ts
index ed707c5..35164b5 100644
--- a/u/trace/itrace.ts
+++ b/u/trace/itrace.ts
@@ -9,29 +9,29 @@ export interface ITrace<TraceWith> {
 }
 
 export type ITraceableTuple<T, TraceWith> = [T, BaseTraceWith | TraceWith];
-export type ITraceableMapper<T, U, TraceWith, W = ITraceable<T, TraceWith>> = (
+export type ITraceableMapper<T, _T, TraceWith, W = ITraceable<T, TraceWith>> = (
   w: W,
-) => U;
+) => _T;
 
 export interface ITraceable<T, Trace = BaseTraceWith> {
   readonly trace: ITrace<Trace>;
   get: Supplier<T>;
-  move: <U>(u: U) => ITraceable<U, Trace>;
-  map: <U>(mapper: ITraceableMapper<T, U, Trace>) => ITraceable<U, Trace>;
-  bimap: <U>(
+  move: <_T>(u: _T) => ITraceable<_T, Trace>;
+  map: <_T>(mapper: ITraceableMapper<T, _T, Trace>) => ITraceable<_T, Trace>;
+  bimap: <_T>(
     mapper: ITraceableMapper<
       T,
-      ITraceableTuple<U, Array<Trace> | Trace>,
+      ITraceableTuple<_T, Array<Trace> | Trace>,
       Trace
     >,
-  ) => ITraceable<U, Trace>;
+  ) => ITraceable<_T, Trace>;
   peek: (peek: ITraceableMapper<T, void, Trace>) => ITraceable<T, Trace>;
-  flatMap: <U>(
-    mapper: ITraceableMapper<T, ITraceable<U, Trace>, Trace>,
-  ) => ITraceable<U, Trace>;
-  flatMapAsync<U>(
-    mapper: ITraceableMapper<T, Promise<ITraceable<U, Trace>>, Trace>,
-  ): ITraceable<Promise<U>, Trace>;
+  flatMap: <_T>(
+    mapper: ITraceableMapper<T, ITraceable<_T, Trace>, Trace>,
+  ) => ITraceable<_T, Trace>;
+  flatMapAsync<_T>(
+    mapper: ITraceableMapper<T, Promise<ITraceable<_T, Trace>>, Trace>,
+  ): ITraceable<Promise<_T>, Trace>;
 }
 
 export class TraceableImpl<T, TraceWith> implements ITraceable<T, TraceWith> {
@@ -40,20 +40,20 @@ export class TraceableImpl<T, TraceWith> implements ITraceable<T, TraceWith> {
     public readonly trace: ITrace<TraceWith>,
   ) {}
 
-  public map<U>(mapper: ITraceableMapper<T, U, TraceWith>) {
+  public map<_T>(mapper: ITraceableMapper<T, _T, TraceWith>) {
     const result = mapper(this);
     return new TraceableImpl(result, this.trace);
   }
 
-  public flatMap<U>(
-    mapper: ITraceableMapper<T, ITraceable<U, TraceWith>, TraceWith>,
-  ): ITraceable<U, TraceWith> {
+  public flatMap<_T>(
+    mapper: ITraceableMapper<T, ITraceable<_T, TraceWith>, TraceWith>,
+  ): ITraceable<_T, TraceWith> {
     return mapper(this);
   }
 
-  public flatMapAsync<U>(
-    mapper: ITraceableMapper<T, Promise<ITraceable<U, TraceWith>>, TraceWith>,
-  ): ITraceable<Promise<U>, TraceWith> {
+  public flatMapAsync<_T>(
+    mapper: ITraceableMapper<T, Promise<ITraceable<_T, TraceWith>>, TraceWith>,
+  ): ITraceable<Promise<_T>, TraceWith> {
     return new TraceableImpl(
       mapper(this).then((t) => t.get()),
       this.trace,
@@ -65,14 +65,14 @@ export class TraceableImpl<T, TraceWith> implements ITraceable<T, TraceWith> {
     return this;
   }
 
-  public move<Tt>(t: Tt): ITraceable<Tt, TraceWith> {
+  public move<_T>(t: _T): ITraceable<_T, TraceWith> {
     return this.map(() => t);
   }
 
-  public bimap<U>(
+  public bimap<_T>(
     mapper: ITraceableMapper<
       T,
-      ITraceableTuple<U, Array<TraceWith> | TraceWith>,
+      ITraceableTuple<_T, Array<TraceWith> | TraceWith>,
       TraceWith
     >,
   ) {
-- 
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