Various changes

1 files changed, 9 insertions, 13 deletions

diff --git a/example_test.go b/example_test.go
index 3f7f2ab..8f308f1 100644
--- a/example_test.go
+++ b/example_test.go
@@ -135,18 +135,16 @@ func Example_helpText() {
 	//   --help, -h             display this help and exit
 }
 
-// This example shows the usage string generated by go-arg with custom datanames
+// This example shows the usage string generated by go-arg with customized placeholders
 func Example_helpDataname() {
 	// These are the args you would pass in on the command line
 	os.Args = split("./example --help")
 
 	var args struct {
-		Input    string   `arg:"positional,dataname:DATAFILE"`
-		Output   []string `arg:"positional"`
-		Verbose  bool     `arg:"-v" help:"verbosity level"`
-		Dataset  string   `help:"dataset to use"`
-		Optimize int      `arg:"-O,help:optimization level,dataname:LEVEL"`
-		MaxJobs  int      `arg:"-j,help:maximum number of simultaneous jobs,dataname:N"`
+		Input    string   `arg:"positional" placeholder:"SRC"`
+		Output   []string `arg:"positional" placeholder:"DST"`
+		Optimize int      `arg:"-O" help:"optimization level" placeholder:"LEVEL"`
+		MaxJobs  int      `arg:"-j" help:"maximum number of simultaneous jobs" placeholder:"N"`
 	}
 
 	// This is only necessary when running inside golang's runnable example harness
@@ -156,18 +154,16 @@ func Example_helpDataname() {
 
 	// output:
 
-	// Usage: example [--verbose] [--dataset DATASET] [--optimize LEVEL] [--maxjobs N] DATAFILE [OUTPUT [OUTPUT ...]]
+	// Usage: example [--optimize LEVEL] [--maxjobs N] SRC [DST [DST ...]]
 
 	// Positional arguments:
-	//   DATAFILE
-	//   OUTPUT
+	//   SRC
+	//   DST
 
 	// Options:
-	//   --verbose, -v          verbosity level
-	//   --dataset DATASET      dataset to use
 	//   --optimize LEVEL, -O LEVEL
 	//                          optimization level
-	//   --maxjobs N, -j N      maximum number of simultanious jobs
+	//   --maxjobs N, -j N      maximum number of simultaneous jobs
 	//   --help, -h             display this help and exit
 }