# 55. implement StringToNumber<S>

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Implement `StringToNumber<S>`

to convert string to number.
You can assume strings are all valid non-negative integers.

`type A = StringToNumber<'12'> // 123`

Share

- accepted / - tried

Implement `StringToNumber<S>`

to convert string to number.
You can assume strings are all valid non-negative integers.

`type A = StringToNumber<'12'> // 123`