From d660d0ebb4dcc638c269c04b86117a88b7f135ce Mon Sep 17 00:00:00 2001
From: George Lyon <GeorgeLyon@users.noreply.github.com>
Date: Fri, 10 Dec 2021 15:37:05 -0800
Subject: [PATCH] Add pipe variant where destination is PipableCommand (#7)

---
 Sources/Script/Pipe.swift | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Sources/Script/Pipe.swift b/Sources/Script/Pipe.swift
index ca25c9b..c6d879b 100644
--- a/Sources/Script/Pipe.swift
+++ b/Sources/Script/Pipe.swift
@@ -25,6 +25,17 @@ public func | <T>(
   }
 }
 
+/**
+ Special form of `pipe` which allows piping to a builtin like `map`
+ */
+public func pipe<SourceOutcome, DestinationOutcome>(
+  _ outputChannel: Shell.OutputChannel,
+  of source: () async throws -> SourceOutcome,
+  to destination: Shell.PipableCommand<DestinationOutcome>
+) async throws -> (source: SourceOutcome, destination: DestinationOutcome) {
+  try await pipe(outputChannel, of: source, to: { try await destination.body() })
+}
+
 public func pipe<SourceOutcome, DestinationOutcome>(
   _ outputChannel: Shell.OutputChannel,
   of source: () async throws -> SourceOutcome,