Remove unnecessary optional check

Kyle-Ye · Kyle-Ye · commit e1592e57fdeb · 2022-09-26T00:30:02.000+08:00
diff --git a/Sources/Markdown/Parser/BlockDirectiveParser.swift b/Sources/Markdown/Parser/BlockDirectiveParser.swift
@@ -279,7 +279,7 @@ struct TrimmedLine {
         guard let lineNumber = lineNumber else {
             return nil
         }
-        let startIndex = (self.lineNumber ?? 1) == 1
+        let startIndex = lineNumber == 1
             ? untrimmedText.startIndex
             : startParseIndex
         let alreadyParsedPrefix = untrimmedText[startIndex..<parseIndex]

Original file line number	Diff line number	Diff line change
`@@ -279,7 +279,7 @@ struct TrimmedLine {`
`279`	`279`	`guard let lineNumber = lineNumber else {`
`280`	`280`	`return nil`
`281`	`281`	`}`
`282`		`- let startIndex = (self.lineNumber ?? 1) == 1`
	`282`	`+ let startIndex = lineNumber == 1`
`283`	`283`	`? untrimmedText.startIndex`
`284`	`284`	`: startParseIndex`
`285`	`285`	`let alreadyParsedPrefix = untrimmedText[startIndex..<parseIndex]`