From: Damyan Ivanov <dam+mobileledger@ktnx.net>
Date: Wed, 9 Jan 2019 05:16:40 +0000 (+0000)
Subject: new class for observing a list
X-Git-Tag: v0.3~97
X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=commitdiff_plain;h=0700200b6627f97ac37083fc2c7131bcaa39b635;hp=0700200b6627f97ac37083fc2c7131bcaa39b635

new class for observing a list

notifies observers when items are added/removed/set

can't intercept direct item modifications
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