402_introduction_to

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a broad overview of the language

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a few little teasers of some of the more advanced features

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go back in time a little way

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quite a long time in computer terms

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在计算机方面相当长的时间

quite a long time in computer terms

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last, but not least

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最后

last, but not least

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day in, day out.

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concise,

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consistency

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To kick us off

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hand over to

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start us off

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variable

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opt

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threaded

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effort.

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constant

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variable

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explicitly

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This is the stuff that matters

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implementation

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Moreover

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Component

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therein

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Icelandic

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annotation

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literal

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elegant

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interpolation

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parentheses

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escape

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backslash

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The first is they can work with any type.

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They don't have to be objects.

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collections are types collections

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So it would be nice to have a way to say that it can only always be strings and in Swift we can.

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aardvark

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dugong

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Venezuelan poodle moth

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bundles

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though

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parentheses

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punctuation

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braces

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大括弧

braces

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multiple

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slithers

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hop

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limps

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grinds to a halt

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consistency

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concatenation operator

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supply

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full-blown

402_introduction_to_swift