47 lines
1.9 KiB
Go
47 lines
1.9 KiB
Go
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package random
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import (
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"io"
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"math/big"
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)
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// Provider of random functions and functionality.
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type Provider interface {
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io.Reader
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// BytesErr returns random data as bytes with the standard random.DefaultN length and can contain any byte values
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// (including unreadable byte values). If an error is returned from the random read this function returns it.
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BytesErr() (data []byte, err error)
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// Bytes returns random data as bytes with the standard random.DefaultN length and can contain any byte values
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// (including unreadable byte values). If an error is returned from the random read this function ignores it.
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Bytes() (data []byte)
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// BytesCustomErr returns random data as bytes with n length and can contain only byte values from the provided
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// values. If n is less than 1 then DefaultN is used instead. If an error is returned from the random read this function
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// returns it.
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BytesCustomErr(n int, charset []byte) (data []byte, err error)
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// StringCustomErr is an overload of BytesCustomWithErr which takes a characters string and returns a string.
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StringCustomErr(n int, characters string) (data string, err error)
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// BytesCustom returns random data as bytes with n length and can contain only byte values from the provided
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// values. If n is less than 1 then DefaultN is used instead.
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BytesCustom(n int, charset []byte) (data []byte)
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// StringCustom is an overload of GenerateCustom which takes a characters string and returns a string.
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StringCustom(n int, characters string) (data string)
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// IntErr returns a random *big.Int error combination with a maximum of max.
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IntErr(max *big.Int) (value *big.Int, err error)
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// Int returns a random *big.Int with a maximum of max.
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Int(max *big.Int) (value *big.Int)
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// IntegerErr returns a random int error combination with a maximum of n.
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IntegerErr(n int) (value int, err error)
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// Integer returns a random integer with a maximum of n.
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Integer(n int) (value int)
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}
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