Well, I'm very new to groovy so I could be very wrong but `is` is a method
of `GroovyObjectSupport`, so maybe you are invoking that method in your DSL
without knowing that.
On Tue, Oct 27, 2015 at 10:47 PM, Marc Paquette <mar...@mac.com> wrote:
> Playing with DSL here (going through chapter 19 of « Groovy In Action,
> second edition », well worth the read). It seems that one cannot use the
> word ‘is’ to build a command chain dsl, but ‘IS’ or ‘Is’ or ‘iS’ are ok… Or
> is it something I’m doing wrong ?
>
> ```
> [marcpa@MarcPaquette dsl]$ groovy --version
> Groovy Version: 2.4.3 JVM: 1.8.0_60 Vendor: Oracle Corporation OS: Mac OS X
> [marcpa@MarcPaquette dsl]$ cat chainWithLowerCaseIsFails.groovy
> def check(condition) {
> [is: { bool ->
> println "checking if $condition yields $bool, with 'is'"
> },
> IS: { bool ->
> println "checking if $condition yields $bool, with 'IS'"
> }]
> }
>
> cond = (1<2)
> check cond is true
> check cond IS true
> [marcpa@MarcPaquette dsl]$ groovy chainWithLowerCaseIsFails.groovy
> checking if true yields true, with 'IS'
> [marcpa@MarcPaquette dsl]$
> ```
>
> Marc Paquette
>
>
