René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Mistakenly using a Dynamicparam block in single-body functions fails obscurely","articleBody":"This is a minor problem and the behavior is as designed, but perhaps the error message can be improved.\r\n\r\nA `dynamicparam {}` block requires an advanced function's other code to  be in `begin {}`, `process{}` and `end {}` blocks.\r\n\r\nInstead trying to use `dynamicparam` in the function's main block _alongside top-level code_ fails obscurely:\r\n\r\nSteps to reproduce\r\n------------------\r\n\r\n```powershell\r\nFunction foo {\r\n    [CmdletBinding()] param()\r\n    DynamicParam {\r\n    }\r\n\r\n    # Placing code here, outside of begin {}, process {} or end {} fails obscurely.\r\n    'hi'\r\n}\r\n\r\n```\r\n\r\nExpected behavior\r\n-----------------\r\n\r\n\r\n\r\nActual behavior\r\n---------------\r\n\r\n```none\r\nAt /Users/mklement/Desktop/pg/pg.ps1:33 char:14\r\n+ Function foo {\r\n+              ~\r\nMissing closing '}' in statement block or type definition.\r\n```\r\n\r\nIt is not obvious from this error message what the problem is.\r\n\r\nEnclosing `'hi'` in `end { ... }` fixes the problem.\r\n\r\nAside from a more helpful error message, perhaps _allowing_ this code is an option (where the top-level code would run in an implied `end {}` block), \r\nthough perhaps that requires special-cased parsing behavior that is not worth the trouble.\r\n\r\nEnvironment data\r\n----------------\r\n\r\n```powershell\r\nPowerShell Core v6.0.2 on macOS 10.13.3\r\nPowerShell Core v6.0.2 on Ubuntu 16.04.3 LTS\r\nPowerShell Core v6.0.2 on Microsoft Windows 10 Pro (64-bit; v10.0.15063)\r\nWindows PowerShell v5.1.15063.674 on Microsoft Windows 10 Pro (64-bit; v10.0.15063)\r\n```\r\n","author":{"url":"https://github.com/mklement0","@type":"Person","name":"mklement0"},"datePublished":"2018-03-19T17:28:39.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/6431/PowerShell/issues/6431"}