in reply to Syntax error in Nested for

In the line:

say for keys %$_ for @x;

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the second for is being used as a statement modifier on another for loop, but statement modifiers are allowed only on “simple” statements (Statement Modifiers). But you can do this instead:

do { say for keys %$_ } for @x;

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Hope that helps,

Athanasius <°(((>< contra mundum Iustus alius egestas vitae, eros Piratica,

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Re^2: Syntax error in Nested for
by NetWallah (Canon) on Jul 03, 2013 at 03:17 UTC
    Ah ! - Thanks - I see it as the very first statement in the docs: 
    Any simple statement may optionally be followed by a SINGLE modifier,.
+..

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