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Sign up for free See pricing for teams and enterprisesint_of_string fails on integers starting with a + #6649
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Comment author: @damiendoligez Note that #5936 will probably remove the +1 syntax from the language. Since scanf uses the underlying C implementation, it's less likely to be "fixed" in the same way. |
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Comment author: @damiendoligez Indeed it was resolved by #222. Thanks. |
vicuna
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vicuna commentedNov 7, 2014
Original bug ID: 6649
Reporter: berke.durak
Status: closed (set by @damiendoligez on 2016-03-21T16:14:02Z)
Resolution: fixed
Priority: low
Severity: minor
Version: 4.01.0
Target version: 4.03.0+dev / +beta1
Fixed in version: 4.03.0+dev / +beta1
Category: standard library
Related to: #5829 #6296
Monitored by: lelf @hcarty
Bug description
The documentation states:
"Raise Failure "int_of_string" if the given string is not a valid representation of an integer, or if the integer represented exceeds the range of integers representable in type int."
But starting an integer with a + is valid:
let x = +1;;
val x : int = 1
Steps to reproduce
int_of_string "+1";;
Exception: Failure "int_of_string".
Additional information
Scanf.sscanf "%d" accepts the +