Further optimisation with guard

PycKamil · web-flow · commit 782ee2010a2f · 2018-03-03T19:57:27.000+01:00
diff --git a/benchmark/utils/DriverUtils.swift b/benchmark/utils/DriverUtils.swift
@@ -208,11 +208,10 @@ struct TestConfig {
     }
 
     if let x = benchArgs.optionalArgsMap["--sleep"] {
-      let v: Int? = Int(x)
-      if v == nil {
+      guard let v = Int(x) else {
         return .fail("--sleep requires a non-empty integer value")
       }
-      afterRunSleep = v!
+      afterRunSleep = v
     }
 
     if let _ = benchArgs.optionalArgsMap["--list"] {

Original file line number	Diff line number	Diff line change
`@@ -208,11 +208,10 @@ struct TestConfig {`
`208`	`208`	`}`
`209`	`209`
`210`	`210`	`if let x = benchArgs.optionalArgsMap["--sleep"] {`
`211`		`- let v: Int? = Int(x)`
`212`		`- if v == nil {`
	`211`	`+ guard let v = Int(x) else {`
`213`	`212`	`return .fail("--sleep requires a non-empty integer value")`
`214`	`213`	`}`
`215`		`- afterRunSleep = v!`
	`214`	`+ afterRunSleep = v`
`216`	`215`	`}`
`217`	`216`
`218`	`217`	`if let _ = benchArgs.optionalArgsMap["--list"] {`