[object][ref] $x = 1 + [object][ref] $x = 1 [ref] can't be used this [ref] must be the final type in a type + ~~~~~ way, instead write: conversion sequence Cannot use [ref] with other types in a type [ref][object] $x = 1 constraint. 1/0 No parsing. The error is No workaround. Constant folding is not performed detected at runtime. during parsing. & {trap [foo]{}} Unable to find type [foo]: Do not catch non-existent Invalid type in a trap statement make sure that the types causes a runtime exception, even assembly containing this when the trap is not hit. type is loaded. Inline comments in strings generate $string = @" At D:\work\a.ps1:3 char:14 Do not place comments in part of the string + $(# comment) code. an error $(# comment) + ~ "@ Missing closing ')' in subexpression. PS > $iss = Exception calling "Open" with InitialSessionState throws an Ensure any referenced "0" argument(s): "The assemblies exist exception if a referenced assembly assembly 'foo' was not loaded is not found. because no assembly was PS > found. $iss.Assemblies.Add("foo") Please check the assembly PS > name and try again." $iss.ThrowOnRunspaceOpenError At line:1 char:1 = $true + $rs.Open() PS > $rs = + ~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException PS > $rs.Open() + FullyQualifiedErrorId : DllNotFoundException
[ref] must be the final type in a type conversion sequence [object][ref] $x = 1 + [object][ref] $x = 1 + ~~~~~ Cannot use [ref] with other types in a type constraint. [ref] can't be used this way, instead write: [ref][object] $x = 1 Constant folding is not performed during parsing. 1/0 No parsing. The error is detected at runtime. No workaround. Invalid type in a trap statement causes a runtime exception, even when the trap is not hit. & {trap [foo]{}} Unable to find type [foo]: make sure that the assembly containing this type is loaded. Do not catch non-existent types Inline comments in strings generate an error $string = @" part of the string $(# comment) "@ At D:\work\a.ps1:3 char:14 + $(# comment) + ~ Missing closing ')' in subexpression. Do not place comments in code. InitialSessionState throws an exception if a referenced assembly is not found. PS > $iss = PS > $iss.Assemblies.Add("foo") PS > $iss.ThrowOnRunspaceOpenError = $true PS > $rs = PS > $rs.Open() Exception calling "Open" with "0" argument(s): "The assembly 'foo' was not loaded because no assembly was found. Please check the assembly name and try again." At line:1 char:1 + $rs.Open() + ~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : DllNotFoundException Ensure any referenced assemblies exist
WMF%203%20Release%20Notes.docx