if ((Get-Command nvim -ErrorAction Ignore) -and -not (Get-Command vim -ErrorAction Ignore)) {
    Set-Alias vim nvim
}
if ((Get-Command vim -ErrorAction Ignore) -and -not (Get-Command vi -ErrorAction Ignore)) {
    Set-Alias vi vim
}
if ((Get-Command nvim-qt -ErrorAction Ignore) -and -not (Get-Command gvim -ErrorAction Ignore)) {
    Set-Alias gvim nvim-qt
}