[Bug-apl] Error defining operators using lambda

[Elias Mårtenson]

The following definition throws a SYNTAX ERROR:

*      foo ← { (1 ⍶ ⍵) }*
SYNTAX ERROR
      foo←foo
      ^   ^

Calling it directly works though:

*      +{1 ⍶ ⍵} 10*
11

Regards,
Elias