1 files changed, 0 insertions, 91 deletions
diff --git a/u/trace/itrace.ts b/u/trace/itrace.ts
deleted file mode 100644
index e2019fa..0000000
--- a/u/trace/itrace.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-import type { Mapper, SideEffect, Supplier } from '@emprespresso/pengueno';
-
-/**
- * the "thing" every Trace writer must "trace()".
- */
-type BaseTraceWith = string;
-export type ITraceWith<T> = BaseTraceWith | T;
-export interface ITrace<TraceWith> {
-    /**
-     * creates a new trace scope which inherits from this trace.
-     */
-    traceScope: Mapper<ITraceWith<TraceWith>, ITrace<TraceWith>>;
-
-    /**
-     * does the tracing.
-     */
-    trace: SideEffect<ITraceWith<TraceWith>>;
-}
-
-export type ITraceableTuple<T, TraceWith> = { item: T; trace: BaseTraceWith | TraceWith };
-export type ITraceableMapper<T, _T, TraceWith> = (w: ITraceable<T, TraceWith>) => _T;
-
-export interface ITraceable<T, Trace = BaseTraceWith> {
-    readonly trace: ITrace<Trace>;
-    readonly get: Supplier<T>;
-
-    readonly move: <_T>(t: _T) => ITraceable<_T, Trace>;
-    readonly map: <_T>(mapper: ITraceableMapper<T, _T, Trace>) => ITraceable<_T, Trace>;
-    readonly bimap: <_T>(mapper: ITraceableMapper<T, ITraceableTuple<_T, Trace>, Trace>) => ITraceable<_T, Trace>;
-    readonly coExtend: <_T>(mapper: ITraceableMapper<T, Array<_T>, Trace>) => Array<ITraceable<_T, Trace>>;
-    readonly peek: (peek: ITraceableMapper<T, void, Trace>) => ITraceable<T, Trace>;
-
-    readonly traceScope: (mapper: ITraceableMapper<T, Trace, Trace>) => ITraceable<T, Trace>;
-
-    readonly flatMap: <_T>(mapper: ITraceableMapper<T, ITraceable<_T, Trace>, Trace>) => ITraceable<_T, Trace>;
-    readonly flatMapAsync: <_T>(
-        mapper: ITraceableMapper<T, Promise<ITraceable<_T, Trace>>, Trace>,
-    ) => ITraceable<Promise<_T>, Trace>;
-}
-
-export class TraceableImpl<T, Trace> implements ITraceable<T, Trace> {
-    protected constructor(
-        private readonly item: T,
-        public readonly trace: ITrace<Trace>,
-    ) {}
-
-    public map<_T>(mapper: ITraceableMapper<T, _T, Trace>) {
-        const result = mapper(this);
-        return new TraceableImpl(result, this.trace);
-    }
-
-    public coExtend<_T>(mapper: ITraceableMapper<T, Array<_T>, Trace>): Array<ITraceable<_T, Trace>> {
-        const results = mapper(this);
-        return Array.from(results).map((result) => this.move(result));
-    }
-
-    public flatMap<_T>(mapper: ITraceableMapper<T, ITraceable<_T, Trace>, Trace>): ITraceable<_T, Trace> {
-        return mapper(this);
-    }
-
-    public flatMapAsync<_T>(
-        mapper: ITraceableMapper<T, Promise<ITraceable<_T, Trace>>, Trace>,
-    ): ITraceable<Promise<_T>, Trace> {
-        return new TraceableImpl(
-            mapper(this).then((t) => t.get()),
-            this.trace,
-        );
-    }
-
-    public traceScope(mapper: ITraceableMapper<T, Trace, Trace>): ITraceable<T, Trace> {
-        return new TraceableImpl(this.get(), this.trace.traceScope(mapper(this)));
-    }
-
-    public peek(peek: ITraceableMapper<T, void, Trace>) {
-        peek(this);
-        return this;
-    }
-
-    public move<_T>(t: _T): ITraceable<_T, Trace> {
-        return this.map(() => t);
-    }
-
-    public bimap<_T>(mapper: ITraceableMapper<T, ITraceableTuple<_T, Trace>, Trace>) {
-        const { item, trace: _trace } = mapper(this);
-        return this.move(item).traceScope(() => <Trace>_trace);
-    }
-
-    public get() {
-        return this.item;
-    }
-}