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Declare output types correctly

No exception will be thrown if you pass the wrong type, which can result in undesired results.

CheckId SPC019113
TypeName DeclareOutputTypesCorrectly
Severity CriticalWarning
Type PowerShell File

Bad Practice

  function Get-Pie
  {
            [CmdletBinding()]
            [OutputType([String])]
            Param(
            )
            return 3.142
  }
Good Practice
  function Get-Pie
  {
            [CmdletBinding()]
            [OutputType([String])]
            Param(
            )
            return "pie"
  }

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