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countElements has been renamed to count #17

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countElements has been renamed to count #17

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6 changes: 3 additions & 3 deletions 3. Strings and Characters.playground/section-1.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -54,17 +54,17 @@ for character in originalString
var notAString: Character = "t"

// There is no length or count member of string, you have to use the global function,
// countElements()
// count()
//
// This is much like calling strlen in which it iterates over the Unicode string and counts
// characters. Note that Unicode chars are different lenghts, so this is a non-trivial process.
//
// “Note also that the character count returned by countElements is not always the same as the
// “Note also that the character count returned by count() is not always the same as the
// length property of an NSString that contains the same characters. The length of an NSString is
// based on the number of 16-bit code units within the string’s UTF-16 representation and not the
// number of Unicode characters within the string. To reflect this fact, the length property from
// NSString is called utf16count when it is accessed on a Swift String value.”
countElements(originalString)
count(originalString)

// Strings can be concatenated with strings and characters
var helloworld = "hello, " + "world"
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