this

Synopsis

this('$x $y')

Parses the specified string and declares all variables in the string as variables specific to the scope of the current closure.

'$x $y' - a string containing variable names separated by spaces.

Places specified variables into the this scope of the currently executing closure. Variables in the this scope persist between calls. These variables all start out with a value of $null.

global('$x'); sub foo { this('$x'); $x = $x + 1; println("&foo: \$x is $x"); } $x = "bar!"; foo(); println("global: \$x is $x"); foo(); foo();

&foo: $x is 1 global: $x is bar! &foo: $x is 2 &foo: $x is 3