update: slice exercises 23
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@ -1,24 +1,22 @@
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package api
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// The original temperatures slice.
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var temps = []int{5, 10, 3, 25, 45, 80, 90}
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// Read returns a range of temperature readings beginning from
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// the `start` until to the `stop`.
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// Read returns a slice of elements from the temps slice.
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func Read(start, stop int) []int {
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//
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// This third index prevents the clients of this package from
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// overwriting the original temps slice's backing array. It
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// limits the capacity of the returned slice. See the
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// full slice expressions lecture.
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// ^
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// |
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// The third index prevents the `main()` from
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// overwriting the original temps slice's
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// backing array. It limits the capacity of the
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// returned slice. See the full slice expressions
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// lecture for more details.
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//
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portion := temps[start:stop:stop]
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return portion
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}
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// All returns all the temperature readings
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// All returns the temps slice
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func All() []int {
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return temps
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}
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