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Posted to notifications@groovy.apache.org by "Suminda Dharmasena (JIRA)" <ji...@apache.org> on 2017/02/05 13:53:41 UTC

[jira] [Updated] (GROOVY-8071) 1st Class Messages

     [ https://issues.apache.org/jira/browse/GROOVY-8071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suminda Dharmasena updated GROOVY-8071:
---------------------------------------
    Description: 
Just like the spread operator it would be good to have something similar to saving and calling function.

E.g.

```
def aCall = .equals(obj1)
obj2.*aCall(obj1) // same as obj2.equals(obj1)
```

Deciding to call and placing the call happens in 2 different instances.

```
def l1 = [ .f1(a), .f2(b)]
myObj.*l1

// similarly
myObj.*[ .f1(a), .f2(b)]
myObj.*[ .f1 : a, .f2 : b]
```

Calls both f1 and f2 and return the results as a list of 2 items.

```
[obj1, obj2].*f1()
```

Call f1 on both objects. Same as spread, but

```
[obj1, obj2].*[.f1(), .f2()]
```

Calls f1 and f2 on obj1 followed by obj2 returning nested list of the 2 values.

```
[ Obj1.f1 : a, Obj1.f : b].*[.f3: c, .f4 : d]
```

Call returning [Obj1.f1(a).f3(c), Obj2.f2(a).f4(d)]

  was:
Just like the spread operator it would be good to have something similar to saving and calling function.

E.g.

```
def aCall = .equals(obj1)
obj2.*aCall(obj1) // same as obj2.equals(obj1)
```

Deciding to call and placing the call happens in 2 different instances.

```
def l1 = [ .f1(a), .f2(b)]
myObj.*l1

// similarly
myObj.*[ .f1(a), .f2(b)]
myObj.*[ .f1 : a, .f2 : b]
```

Calls both f1 and f2 and return the results as a list of 2 items.

```
[obj1, obj2].*f1()
```

Call f1 on both objects. Same as spread, but

```
[obj1, obj2].*[.f1(), .f2()]
```

Calls f1 and f2 on obj1 followed by obj2 returning nested list of the 2 values.

```
[obj1 : .f1(a), obj2 : .f(b)].*[.f3(), .f4()]
```

Call returning [Obj1.f1(a).f3(), Obj2.f2(a).f4()]


> 1st Class Messages
> ------------------
>
>                 Key: GROOVY-8071
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8071
>             Project: Groovy
>          Issue Type: Improvement
>            Reporter: Suminda Dharmasena
>
> Just like the spread operator it would be good to have something similar to saving and calling function.
> E.g.
> ```
> def aCall = .equals(obj1)
> obj2.*aCall(obj1) // same as obj2.equals(obj1)
> ```
> Deciding to call and placing the call happens in 2 different instances.
> ```
> def l1 = [ .f1(a), .f2(b)]
> myObj.*l1
> // similarly
> myObj.*[ .f1(a), .f2(b)]
> myObj.*[ .f1 : a, .f2 : b]
> ```
> Calls both f1 and f2 and return the results as a list of 2 items.
> ```
> [obj1, obj2].*f1()
> ```
> Call f1 on both objects. Same as spread, but
> ```
> [obj1, obj2].*[.f1(), .f2()]
> ```
> Calls f1 and f2 on obj1 followed by obj2 returning nested list of the 2 values.
> ```
> [ Obj1.f1 : a, Obj1.f : b].*[.f3: c, .f4 : d]
> ```
> Call returning [Obj1.f1(a).f3(c), Obj2.f2(a).f4(d)]



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