Jira (PUP-480) Complete handling of undef/nil

[Kurt Wall (JIRA)]

Title: Message Title

Kurt Wall commented on an issue   Re: Complete handling of undef/nil Using Andy's code (except that I changed ident4 to identx, here's the output for the current parser $ bundle exec puppet apply --parser current undef.pp Notice: Scope(Class[main]): $x == undef Notice: Scope(Class[main]): true Notice: Scope(Class[main]): undef == undef Notice: Scope(Class[main]): true Notice: Scope(Class[main]): "" != undef Notice: Scope(Class[main]): false Notice: Scope(Class[main]): erb w/unbound lookupvar Notice: Scope(Class[main]): true Notice: Scope(Class[main]): erb w/bound but undef lookupvar Notice: Scope(Class[main]): false Notice: Scope(Class[main]): match vars without a match ($0 == undef) Notice: Scope(Class[main]): true Notice: Scope(Class[main]): undef literal passed to function translated to empty string (3x function) Notice: Scope(Class[main]): true Notice: Scope(Class[main]): unbound variable passed to function translated to empty string (3x function) Notice: Scope(Class[main]): true Notice: Scope(Class[main]): variable bound to undef passed to function translated to empty string (3x function) Notice: Scope(Class[main]): true Notice: Scope(A[a]): a { a: } Notice: Scope(A[a]): true Notice: Scope(A[b]): a { b: value => undef } Notice: Scope(A[b]): true Notice: Scope(A[c]): a { c: value => $x } Notice: Scope(A[c]): true Notice: Compiled catalog for centos6-5-base.localdomain in environment production in 0.08 seconds Notice: Finished catalog run in 0.05 seconds With the future parser: $ bundle exec puppet apply --parser future undef.pp Notice: $x == undef Notice: true Notice: undef == undef Notice: true Notice: "" != undef Notice: true Notice: erb w/unbound lookupvar Notice: true Notice: erb w/bound but undef lookupvar Notice: true Notice: match vars without a match ($0 == undef) Notice: true Notice: undef literal passed to function translated to empty string (3x function) Notice: true Notice: unbound variable passed to function translated to empty string (3x function) Notice: true Notice: variable bound to undef passed to function translated to empty string (3x function) Notice: true Notice: epp w/unbound var Notice: true Notice: epp w/bound but undef var Notice: true Notice: epp with undef passed as param uses default Notice: true {value => } Notice: undef literal passed to function (4x function) Notice: true Notice: unbound variable passed to function (4x function) Notice: true Notice: variable bound to undef passed to function (4x function) Notice: true Notice: a { a: } Notice: true Notice: a { b: value => undef } Notice: true Notice: a { c: value => $x } Notice: true Notice: Compiled catalog for centos6-5-base.localdomain in environment production in 0.34 seconds Notice: Finished catalog run in 0.05 seconds Add Comment   Puppet / PUP-480 Complete handling of undef/nil A decision needs to be made regarding handling of undef as nil. There is agreement that it should be handled as a nil value everywhere except one case; when setting an attribute value. Currently setting undef as an attribute value has the meaning "do not set this attribute" (as opposed to "set this attribute to nil") - which has the effect of selectin... This message was sent by Atlassian JIRA (v6.1.4#6159-sha1:44eaede) -- You received this message because you are subscribed to the Google Groups "Puppet Bugs" group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-bugs+unsubscr...@googlegroups.com. To post to this group, send email to puppet-bugs@googlegroups.com. Visit this group at http://groups.google.com/group/puppet-bugs. For more options, visit https://groups.google.com/d/optout.