Eliminate compiler warning

dduan · dduan · commit f25bfb4c69b9 · 2020-05-20T23:58:10.000-07:00
Swift 5.2 surfaces this unused variable `v` during compilation. Let's
get rid of the warning.
diff --git a/Sources/FileCheck/FileCheck.swift b/Sources/FileCheck/FileCheck.swift
@@ -567,7 +567,7 @@ private func check(
     if options.contains(.scopedVariables) {
       var localVariables = [String]()
       localVariables.reserveCapacity(16)
-      for (k, v) in variableTable where !k.hasPrefix("$") {
+      for k in variableTable.keys where !k.hasPrefix("$") {
         localVariables.append(k)
       }
 

Original file line number	Diff line number	Diff line change
`@@ -567,7 +567,7 @@ private func check(`
`567`	`567`	`if options.contains(.scopedVariables) {`
`568`	`568`	`var localVariables = [String]()`
`569`	`569`	`localVariables.reserveCapacity(16)`
`570`		`- for (k, v) in variableTable where !k.hasPrefix("$") {`
	`570`	`+ for k in variableTable.keys where !k.hasPrefix("$") {`
`571`	`571`	`localVariables.append(k)`
`572`	`572`	`}`
`573`	`573`