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The protocol to which all types implicitly conform.

The protocol to which all class types implicitly conform.

When used as a concrete type, all known @objc class methods and properties are available, as implicitly-unwrapped-optional methods and properties respectively, on each instance of AnyClass. For example:

class C {
  @objc class var cValue: Int { return 42 }
}

// If x has an @objc cValue: Int, return its value.
// Otherwise, return `nil`.
func getCValue(x: AnyClass) -> Int? {
  return x.cValue // <===
}

See Also: AnyObject

The default type for an otherwise-unconstrained Boolean literal.

The C '_Bool' and C++ 'bool' type.

The C 'char' type.

This will be the same as either CSignedChar (in the common case) or CUnsignedChar, depending on the platform.

The C++11 'char16_t' type, which has UTF-16 encoding.

The C++11 'char32_t' type, which has UTF-32 encoding.

The C 'double' type.

The C 'float' type.

The C 'int' type.

The C 'long' type.

The C 'long long' type.

The C 'short' type.

The C 'signed char' type.

The C 'unsigned char' type.

The C 'unsigned int' type.

The C 'unsigned long' type.

The C 'unsigned long long' type.

The C 'unsigned short' type.

The C++ 'wchar_t' type.

The default type for an otherwise-unconstrained Unicode extended grapheme cluster literal.

A 32-bit floating point type.

A 64-bit floating point type.

The default type for an otherwise-unconstrained floating point literal.

The largest native signed integer type.

The default type for an otherwise-unconstrained integer literal.

The default type for an otherwise-unconstrained string literal.

The largest native unsigned integer type.

The default type for an otherwise-unconstrained unicode scalar literal.

The empty tuple type.

This is the default return type of functions for which no explicit return type is specified.