internal/functions/vrule4-smush.ps1
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<# .SYNOPSIS Applies Rule 4: Horizontal Line Smushing for vertical smushing. .DESCRIPTION This function smushes stacked pairs of `"-"` and `"_"` characters into a single `"="` sub-character according to Rule 4 of the FIGlet vertical smushing rules. The order of the characters does not matter; if one character is `"-"` and the other is `"_"`, they are replaced with `"="`. If the characters do not match this rule, the function returns `$false`. .PARAMETER ch1 The first character to evaluate for vertical smushing. .PARAMETER ch2 The second character to evaluate for vertical smushing. .EXAMPLE $ch1 = "-" $ch2 = "_" $result = vRule4-Smush -ch1 $ch1 -ch2 $ch2 This example smushes the characters `"-"` and `"_"` into `"="`. .EXAMPLE $ch1 = "_" $ch2 = "-" $result = vRule4-Smush -ch1 $ch1 -ch2 $ch2 This example smushes the characters `"_"` and `"-"` into `"="`. .EXAMPLE $ch1 = "-" $ch2 = "|" $result = vRule4-Smush -ch1 $ch1 -ch2 $ch2 This example does not smush the characters `"-"` and `"|"` and returns `$false`. .NOTES This function implements Rule 4 of the FIGlet vertical smushing rules: Horizontal Line Smushing. Author: Oleksandr Nikolaiev (@onikolaiev) #> function vRule4-Smush { [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseApprovedVerbs", "")] param ( [string]$ch1, [string]$ch2 ) if (($ch1 -eq "-" -and $ch2 -eq "_") -or ($ch1 -eq "_" -and $ch2 -eq "-")) { return "=" } return $false } |