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pitermarx/closure-demo.ps1

Created August 7, 2018 11:10
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Powershell closures
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closure-demo.ps1
$Foo = 1
Write-Host "I expect Foo to be 1: " $Foo
function New-Closure {
param([Scriptblock] $Expression, $Foo = 2)
& $Expression
}
New-Closure -Expression {
Write-Host "I expected Foo to be 1, but was 2: " $Foo
}
New-Closure -Expression {
Write-Host "I expected Foo to be 1, and it is: " $Foo
}.GetNewClosure()
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