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std.utf8

Methods for working with UTF-8 scalars and code points.

The maximum value of a Unicode code point

	codepoint_from_surrogates	Returns a Unicode code point from a pair of Unicode surrogates.
	codepoint_size	Returns the number of bytes of a code point.
	encode_scalar	Encodes a Unicode scalar value into a series of bytes, appending these to the given `ByteArray`.
	surrogate?	Returns `true` if the given `Int` falls in the range of UTF-16 surrogate pairs.
	valid?	Returns `true` if `value` contains valid UTF-8.
	valid_scalar?	Returns `true` if the given `Int` is a valid Unicode scalar value.