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UrlSafe

base64::engine::simd

Enum UrlSafe 

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enum UrlSafe {}
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The URL_SAFE alphabet family (-/_ at 62/63).

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impl SimdAlphabet for UrlSafe

Available on x86-64 or AArch64 only.
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const ENCODE_LUT: [i8; 16]

pshufb encode table: maps a reduced 6-bit index to ascii - index.
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const DECODE_SHIFT_LUT: [i8; 16]

pshufb decode table indexed by the high nibble; added to the byte to produce its 6-bit value.
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const DECODE_MASK_LUT: [u8; 16]

pshufb decode table indexed by the low nibble; bit hi marks (hi, lo) as a valid symbol.
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const DECODE_FIXUP_CHAR: i8 = 0x5F

The high-62/63 symbol whose shift needs the fixup below (+/-).
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const DECODE_FIXUP_SHIFT: i8 = -32

The shift applied to DECODE_FIXUP_CHAR.

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type Error = <U as TryFrom<T>>::Error

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