Something is handling the Failure from a .substr in Rakudo

[p6rt]

Migrated from rt.perl.org#128038 (status was 'resolved')

Searchable as RT128038$

[p6rt]

From @masak

<TimToady> m​: ''.substr(5).handled.say
<camelia> rakudo-moar 1acf80​: OUTPUT«True␤»
<TimToady> that's one bug
* masak submits rakudobug
<masak> TimToady​: what output did you expect?
<TimToady> False
<masak> danke
<TimToady> something is testing the Failure for boolean/defined
somewhere and marking it handled

[p6rt]

From @lizmat

On 30 Apr 2016, at 17​:00, Carl Mäsak (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by "Carl Mäsak"
# Please include the string​: [perl #​128038]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=128038 >

<TimToady> m​: ''.substr(5).handled.say
<camelia> rakudo-moar 1acf80​: OUTPUT«True␤»
<TimToady> that's one bug
* masak submits rakudobug
<masak> TimToady​: what output did you expect?
<TimToady> False
<masak> danke
<TimToady> something is testing the Failure for boolean/defined
somewhere and marking it handled

$ 6 '(substr "",5).handled.say’
False

Looks to me that somehow the extra call level is causing the Failure to be handled.

Liz

[p6rt]

The RT System itself - Status changed from 'new' to 'open'

[p6rt]

From @lizmat

Fixed with b61ca12 , tests needed.

On 30 Apr 2016, at 18​:11, Elizabeth Mattijsen <liz@​dijkmat.nl> wrote​:

On 30 Apr 2016, at 17​:00, Carl Mäsak (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by "Carl Mäsak"
# Please include the string​: [perl #​128038]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=128038 >

<TimToady> m​: ''.substr(5).handled.say
<camelia> rakudo-moar 1acf80​: OUTPUT«True␤»
<TimToady> that's one bug
* masak submits rakudobug
<masak> TimToady​: what output did you expect?
<TimToady> False
<masak> danke
<TimToady> something is testing the Failure for boolean/defined
somewhere and marking it handled

$ 6 '(substr "",5).handled.say’
False

Looks to me that somehow the extra call level is causing the Failure to be handled.

Liz

[p6rt]

From @zoffixznet

Tests added​: Raku/roast@ec748a9d83

[p6rt]

@zoffixznet - Status changed from 'open' to 'resolved'