<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">It appears that trying to assign a variable to itself is an error:<div class=""><br class=""></div><div class="">var foo = 5</div><div class="">foo = foo // error: assigning a variable to itself</div><div class=""><br class=""></div><div class="">However, I was thinking about this and was wondering why this is an error and not a warning. If, for example, the assignment had a side effect (e.g. a didSet block) I’d think it would be warning, possibly ignorable with a set of parentheses. Thoughts?</div><div class=""><br class=""><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Saagar Jha</div>
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