I am using 5.14.2 
use strict;

my %x = map { $_ => 1 } qw(a b c);

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works, however 
use strict;

my %y = map { "prefix_$_" => 1 } qw(a b c);

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does not compile ("not enough arguments for map").

Is this a bug or am I being stupid?

In reply to map problem by morgon

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