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# Bytes A sequence of bytes. This is conceptually similar to an array of [integers]($int) between `{0}` and `{255}`, but represented much more efficiently. You can iterate over it using a [for loop]($scripting/#loops). You can convert - a [string]($str) or an [array] of integers to bytes with the [`bytes`] constructor - bytes to a string with the [`str`] constructor, with UTF-8 encoding - bytes to an array of integers with the [`array`] constructor When [reading]($read) data from a file, you can decide whether to load it as a string or as raw bytes. ```example #bytes((123, 160, 22, 0)) \ #bytes("Hello 😃") #let data = read( "rhino.png", encoding: none, ) // Magic bytes. #array(data.slice(0, 4)) \ #str(data.slice(1, 4)) ``` ## Constructor ### `bytes` Converts a value to bytes. - Strings are encoded in UTF-8. - Arrays of integers between `{0}` and `{255}` are converted directly. The dedicated byte representation is much more efficient than the array representation and thus typically used for large byte buffers (e.g. image data).

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