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all: replace []byte with []u8
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@ -11,8 +11,8 @@ module rand
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fn C.SecRandomCopyBytes(rnd C.SecRandomRef, count usize, bytes voidptr) int
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// read returns an array of `bytes_needed` random bytes read from the OS.
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pub fn read(bytes_needed int) ?[]byte {
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mut buffer := []byte{len: bytes_needed}
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pub fn read(bytes_needed int) ?[]u8 {
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mut buffer := []u8{len: bytes_needed}
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status := C.SecRandomCopyBytes(C.SecRandomRef(0), bytes_needed, buffer.data)
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if status != 0 {
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return IError(&ReadError{})
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