Programming-Idioms

Idiom

# 345 Convert string to big integer

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Create the integer value i initialized from its string representation s (in radix 10)

Use an integer type that can hold huge values. Explain what happens if s cannot be parsed.

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import "math/big"

i := new(big.Int)
_, ok := i.SetString(s, 10)

Demo
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import java.math.BigInteger;

BigInteger i = new BigInteger(s, 10);

i = int(s)

Demo

i = s.to_i

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