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PowerShell-PowerShell/test/powershell/engine
Staffan Gustafsson eb286332cf Create inferred types for Select-Object, Group-Object, PSObject and Hashtable (#7231)
Fixes #7230.

Adding the concept of a PSSyntheticTypeName, derived from PSTypeName,
that extends it with a list of synthetic members.

This allows us to express the inferred type of
```
[pscustomobject] @{
   A = 1
   B = "2"
}
```
as a "PSObject#A:B" and with information about the types of A and B.

This is also used to annotate the output of
```
Select-Object -Property
Select-Object -ExcludeProperty
Select-Object -ExpandProperty
```
Finally, it adds information about the types of the
`Group` and `Value` properties of the output of `Group-Object`
2018-09-19 15:43:22 -07:00
..