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by gpderetta
620 days ago
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Yes, if you are parsing in-place numbers in an existing string you do not necessarily know a-priori where the number end. You could have extra logic to look ahead to the end of the number before passing it from_chars, but a) it would require an additional pass and b) you could end up replicating part of the implementation of from chars. from_chars is supposed to be a low lever routine, it must be possible to use it correctly, but it is not necessarily the most ergonomic. |
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