From 1c1828efb297405e36f372d67a5a39cec442a7a0 Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Sun, 14 Aug 2022 13:46:22 +0300
Subject: [PATCH] minor fix + more .between(..)...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 Promise.js   |  2 +-
 generator.js | 14 ++++++++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Promise.js b/Promise.js
index 87b5930..215f51b 100644
--- a/Promise.js
+++ b/Promise.js
@@ -304,7 +304,7 @@ object.Constructor('IterablePromise', Promise, {
 				return i++ > 0 ?
 					[
 						typeof(func) == 'function' ?
-							func.call([prev, e], i, i + j++)
+							func.call(this, [prev, e], i, i + j++)
 							: func,
 						e,
 					]
diff --git a/generator.js b/generator.js
index dc913c6..2372d3d 100644
--- a/generator.js
+++ b/generator.js
@@ -581,8 +581,18 @@ object.Mixin('AsyncGeneratorProtoMixin', 'soft', {
 
 	// XXX BETWEEN...
 	between: async function*(func){
-		// XXX
-	},
+		var i = 0
+		var j = 0
+		var prev
+		yield* this.iter(function(e){
+			return i++ > 0 ?
+				[
+					typeof(func) == 'function' ?
+						func.call(this, [prev, e], i, i + j++, this))
+						: func,	
+					e,
+				]
+				: [e] }) },
 
 	// XXX TEST...
 	chain: async function*(...next){