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I think isprintf is missing from the Printf module of the stdlib #6286

vicuna opened this issue Jan 6, 2014 · 2 comments


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commented Jan 6, 2014

Original bug ID: 6286
Reporter: berenger
Status: acknowledged (set by @damiendoligez on 2014-07-16T12:51:53Z)
Resolution: open
Priority: normal
Severity: feature
Category: standard library
Tags: patch, junior_job
Related to: #6017
Monitored by: @gasche @ygrek

Bug description

For the sake of completeness, several printers in the
Printf module don't have an i-equivalent
(that does not print anything but is useful to ignore some material when conditionally printing).

While working on a lazy logger, I was in need of the isprintf.

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commented Jun 22, 2014

Comment author: fabien

Here is a patch for the module printf and the module format.

Some remaining points:

  • I didn't know what "@SInCE version" I should put in the mli
  • I didn't add i-equivalent functions for the deprecated ones in format
  • I didn't add tests in tformat because the only one present was for the deprecated bprintf
  • how should printf behave with malformed format ?

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commented Jun 23, 2014

Comment author: fabien

I've attached a new patch that contains more tests (ibprintf) (the former one can be deleted).
I did not add tests for the continuation printf because I don't know what to do.
Any suggestions would be welcome.

Edit: Please use printf_more_tests2

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