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Standard library
unicode
utf16
package
standard library
Version:
go1.24.5
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Published: Jul 8, 2025
License: BSD-3-Clause
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Imports: 0
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Imported by: 9,604
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Documentation
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Package utf16 implements encoding and decoding of UTF-16 sequences.
AppendRune appends the UTF-16 encoding of the Unicode code point r
to the end of p and returns the extended buffer. If the rune is not
a valid Unicode code point, it appends the encoding of U+FFFD.
Decode returns the Unicode code point sequence represented
by the UTF-16 encoding s.
DecodeRune returns the UTF-16 decoding of a surrogate pair.
If the pair is not a valid UTF-16 surrogate pair, DecodeRune returns
the Unicode replacement code point U+FFFD.
Encode returns the UTF-16 encoding of the Unicode code point sequence s.
EncodeRune returns the UTF-16 surrogate pair r1, r2 for the given rune.
If the rune is not a valid Unicode code point or does not need encoding,
EncodeRune returns U+FFFD, U+FFFD.
IsSurrogate reports whether the specified Unicode code point
can appear in a surrogate pair.
RuneLen returns the number of 16-bit words in the UTF-16 encoding of the rune.
It returns -1 if the rune is not a valid value to encode in UTF-16.
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