[swift-evolution] [Review] SE-0099: Restructuring Condition Clauses

Erica Sadun erica at ericasadun.com
Fri May 27 19:22:30 CDT 2016

> On May 27, 2016, at 6:19 PM, Matthew Johnson <matthew at anandabits.com> wrote:
>>> Also, can someone refer me to an example of this statement: "This proposal resolves this problem by retaining commas as separators within clauses (as used elsewhere in Swift) and introducing semicolons to separate distinct kinds of clauses (which aligns with the rest of the Swift language)”
>> guard let x = opt1, y = opt2, z = opt3; booleanAssertion else { }
>>> I rarely see any semicolons after the removal of C loops. So if someone could put me to where this is used elsewhere in Swift, please do!
>> Using semicolons brings conditions in-line with how semicolons are used as separators elsewhere in the Swift grammar.
> Not really.  We can use a newline instead of the semicolon elsewhere.

Outside of braces? Think of the guard/if/while creating a new miniscope that has no braces, and whose value assignments escape to the surrounding scope. I defer to Chris for better technical answers.

-- E

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