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Code Issues Packages 1 Wiki Activity

Crash nicely on no argument.

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This commit is contained in:
Ryan Dahl 2018-05-29 06:30:16 -04:00
parent 19e50ec173
commit 8e746386fe
1 changed files with 7 additions and 0 deletions
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7
main.go
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@ -4,6 +4,7 @@ package deno
import ( import (
"flag" "flag"
"fmt"
"github.com/ry/v8worker2" "github.com/ry/v8worker2"
"os" "os"
"runtime/pprof" "runtime/pprof"
@ -69,6 +70,12 @@ var main_map string
func Init() { func Init() {
workerArgs = FlagsParse() workerArgs = FlagsParse()
if len(workerArgs) == 0 {
fmt.Fprintf(os.Stderr, "Usage: %s file.ts\n", os.Args[0])
flag.PrintDefaults()
os.Exit(1)
}
// Maybe start Golang CPU profiler. // Maybe start Golang CPU profiler.
// Use --prof for profiling JS. // Use --prof for profiling JS.
if *flagGoProf != "" { if *flagGoProf != "" {